If you have decided the software is right for you, there are legitimate ways to obtain a registration key.
Before you pay for or crack Excel Password Recovery Master, try these completely free methods.
Title: “What’s a Registration Code for Excel Password Recovery Software — and How to Get One Legally”
If you meant something else — like you want to write a fictional story or a satirical post about the idea of a “master code” — let me know and I can pivot the tone entirely.
When you are locked out of an essential spreadsheet, looking for an Excel Password Recovery Master registration code is a common first step. This software, developed by Rixler Software, is designed to decrypt and recover lost passwords for Microsoft Excel files.
However, searching for "free registration codes" or "cracks" online often leads to security risks like malware. Instead, it is safer to understand how the registration process works or explore free, legitimate alternatives. Understanding Excel Password Recovery Master Registration
Excel Password Recovery Master typically operates as a trial version (demo). In its unregistered state, the software may show you that a password is "recoverable" or reveal only a portion of the characters. To see the full password or complete the decryption, a valid license must be purchased from the official developer.
Official Registration: Once purchased, you receive a unique registration code to enter into the software's "Registration" or "Enter Key" menu.
Version Compatibility: The current version (4.2.0.3) supports Windows environments and handles various Excel formats. Free & Safe Alternatives (No Code Required)
If you cannot purchase a registration code, there are several legitimate ways to unlock Excel files without using third-party cracks. 1. The "ZIP" Method (For Sheet Protection)
If your file is open but the sheets are protected, you can often unlock them manually by editing the file's XML structure. Step 1: Create a backup of your .xlsx file. Step 2: Change the file extension from .xlsx to .zip. Step 3: Open the zip file and navigate to xl > worksheets. Step 4: Open the relevant sheet.xml file with Notepad.
Step 5: Search for the
Step 6: Save the file, move it back into the zip, and rename it back to .xlsx. 2. VBA Code Method
For some versions of Excel, you can use a built-in Visual Basic for Applications (VBA) script to bypass sheet protection.
Open the protected sheet and press Alt + F11 to open the VBA editor.
Go to Insert > Module and paste a "PasswordBreaker" script (widely available on Microsoft Tech Community forums). Run the script by pressing F5. 3. Free Recovery Software
If the file requires an "Open" password, several tools offer free tiers or are entirely open-source:
SysTools for Excel Password Recovery | Microsoft Store - Microsoft
Searching for registration codes or "cracks" for commercial software like Excel Password Recovery Master
often leads to sites that host malware, adware, or phishing scams. These codes are tied to individual licenses and are not legally or safely available for free online.
If you have lost access to an Excel file, there are several legitimate ways to handle password issues depending on the type of protection used. Legitimate Ways to Manage Excel Passwords If you still have access but want to change settings, Microsoft Support provides instructions for removing or changing passwords. Microsoft Support Sheet Protection
: If you can open the file but cannot edit specific cells, you might be able to remove the protection by changing the file extension to , locating the XML file for the sheet, and removing the
states there is no official way to recover it without the original password. Official Purchase : If you intend to use Excel Password Recovery Master
, the only secure way to obtain a registration code is to purchase a license directly from the official developer's website Microsoft Learn Security Warning
Avoid downloading "registration code generators" or "license keys" from third-party forums or file-sharing sites. These files frequently contain: Ransomware : Which could lock your entire computer.
: Designed to steal your personal data or banking information. : That give hackers remote access to your system.
If you need a tool to manage your own passwords securely in the future, consider using a dedicated password manager rather than storing them in unencrypted documents. Keeper Security methods Excel uses to secure files? IT Procurement Specialist Open Source Software Advocate
Require a password to open or modify a workbook - Microsoft Support
Searching for an "Excel Password Recovery Master registration code"
typically occurs when you have forgotten a password for a critical spreadsheet. However, it is vital to approach software registration carefully to ensure your data remains secure. What is Excel Password Recovery Master? Excel Password Recovery Master
is a specialized tool designed to retrieve or remove passwords for Microsoft Excel files, including "Password to Open," "Password to Modify," and sheet protection. www.rixler.com Functionality
: It supports all Excel versions from 97 to 2013, handling formats like Ease of Use
: It is known for a "one-click" recovery process and supports multiple languages. Limitations
support recovering the "Password to Open" for newer versions (2007/2010/2013) due to more robust encryption. Understanding the Registration Code
A registration code is a license key provided by the official developer, Rixler Software , after a purchase. www.rixler.com Official Purchase
: Obtaining a legitimate code ensures you receive a version of the software that is free from malware and includes technical support. Risks of "Free" Codes
: Searching for free or "cracked" registration codes on third-party sites often leads to security risks, such as downloading malware or viruses that can compromise your sensitive Excel data. Microsoft Learn Reliable Alternatives for Password Recovery
If you cannot obtain a registration code, there are other methods to regain access to your data: Google Sheets Method : For sheet protection, you can upload your file to Google Drive
and open it with Google Sheets; this often removes worksheet protection automatically. VBA Scripting
: For older files or sheet-level protection, you can use a simple to bypass the password without third-party software. Third-Party Tools : Reputable alternatives like Passper for Excel
offer different attack modes (Dictionary, Brute-Force) and support newer Excel versions. Security Warning Microsoft does
keep a "master key" for encrypted workbooks. Once a "Password to Open" is set on a modern Excel file using AES encryption, it is nearly impossible to recover without the exact password or highly resource-intensive brute-force tools. Microsoft Learn
How to Unprotect an Excel Sheet: With or Without a Password | DataCamp
I can’t help with retrieving, bypassing, or generating registration codes, serial numbers, license keys, or methods to break or circumvent software activation or passwords.
If you own the software or file and lost access, here are legitimate alternatives you can use:
Use official recovery/reset tools
Check backups and archives
Use documented vendor procedures
Recreate content if feasible
If you want, tell me which product or vendor is involved (e.g., Microsoft Office, a third-party Excel add-in, or a specific password-recovery tool you purchased) and I’ll provide the appropriate vendor support contact steps and official recovery options.
(Invoking related search suggestions.)
Dealing with a locked Excel file can be frustrating, and while you might be looking for a registration code for specific third-party tools like Excel Password Recovery Master, it is important to understand the risks and official alternatives available for recovering or removing Excel passwords. Risks of Seeking "Free" Registration Codes
Searching for registration codes or "cracks" online for software like Excel Password Recovery Master is highly risky.
Malware Threats: Sites promising free registration codes often host malicious software that can compromise your personal data or system security.
Scams: Many links claiming to offer "activators" or "keygens" are phishing attempts designed to steal information.
Official Purchase: The only safe way to obtain a valid registration code is through the developer's official website. Paid versions typically ensure the software is clean and provides full recovery features. Official Ways to Manage Excel Passwords
Microsoft provides built-in tools to manage protection. If you still have access but want to change or remove protection, use these steps:
Remove Password: Open the workbook, go to File > Info > Protect Workbook, and select Encrypt with Password. Clear the password from the box and click OK.
Unprotect Sheets: On the Review tab, click Unprotect Sheet and enter the password to remove individual sheet locks. Recovery Alternatives if Password is Forgotten
If the password is lost, you can try these reputable methods:
VBA Macro for Sheet Protection: For "Sheet Protection" (not the "Open" password), you can sometimes use a VBA script to bypass the lock.
Google Sheets Trick: Uploading a protected file to Google Sheets can occasionally bypass certain sheet-level restrictions.
Professional Tools: If the file is critical and officially encrypted (to open), tools like the SysTools Excel Password Remover are available through the Microsoft Store, offering a more secure alternative to unverified third-party "master" tools. 3 Ways to Password Protect your Microsoft Excel Files
Unlocking Excel Secrets: A Guide to Excel Password Recovery Master Registration Code
Are you tired of being locked out of your important Excel files due to forgotten passwords? Do you struggle to regain access to your critical data? Look no further! In this article, we'll explore the world of Excel password recovery and introduce you to the Excel Password Recovery Master Registration Code, a powerful solution to unlock your Excel files.
The Problem: Forgotten Excel Passwords
Microsoft Excel is one of the most widely used spreadsheet software applications in the world. Its versatility and features make it an essential tool for data analysis, budgeting, and reporting. However, with the increasing use of passwords to secure sensitive data, forgotten passwords have become a common issue. When you set a password to protect your Excel file, you might think you're securing your data, but what happens when you forget that password?
The Solution: Excel Password Recovery Master
Excel Password Recovery Master is a professional tool designed to recover or remove passwords from Excel files (.xls, .xlsx, .xlsm, .xltx, .xltm). This software uses advanced algorithms to crack the password, ensuring that you regain access to your file without any data loss. With its user-friendly interface, you can easily recover passwords from Excel files of any size or complexity.
Registration Code: The Key to Unlocking Full Potential
To access the full features of Excel Password Recovery Master, you need a registration code. The registration code unlocks the software's advanced capabilities, including:
Obtaining the Registration Code
To obtain the registration code, follow these steps:
Best Practices for Excel Password Recovery
To avoid future password-related issues, consider the following best practices:
By following these best practices and using Excel Password Recovery Master, you can ensure that your Excel files remain accessible and secure.
With Excel Password Recovery Master and its registration code, you can regain access to your locked Excel files and maintain productivity. This software offers a reliable solution for recovering forgotten passwords, ensuring that your critical data remains within reach.
Searching for an "Excel Password Recovery Master registration code" online often leads to unreliable sites offering "cracks" or "keys" that may contain malware. If you have lost your password, there are several safer, built-in, or manual methods to regain access to your data without needing a third-party registration code.
1. Removing "Sheet" or "Workbook" Protection (Manual Method)
If you can open the file but cannot edit it, the protection is likely just a "child lock" within the XML structure. You can remove this for free using a simple manual trick: Backup your file: Make a copy of the original Excel file.
Change Extension: Rename the file extension from .xlsx to .zip.
Find the XML: Open the zip folder and navigate to xl > worksheets.
Edit Protection: Open the relevant sheet.xml file with Notepad. Use Ctrl+F to search for the word protection.
Delete the Tag: Highlight and delete the entire tag beginning with
Reassemble: Save the file, update the zip archive, and rename the extension back to .xlsx. 2. Recovering VBA Passwords (No Software Needed)
If you are locked out of macros (VBA projects), you can use a HEX editor to bypass the password prompt:
Open the file in a HEX editor and search for the string DPB=. Change it to DPx= and save the file.
Open Excel; it will throw an error, but you can then enter the VBA editor and set a new password manually. 3. Using VBA Scripts (For 2010 and older)
For older Excel versions (97–2010), you can use a "Password Breaker" macro: Press Alt + F11 to open the macro editor.
Insert a new module and paste a known "PasswordBreaker" script (widely available on forums like Reddit).
Run the script, and it will cycle through possible hashes until the sheet is unlocked.
How to Unprotect an Excel Sheet: With or Without a Password | DataCamp
Excel Password Recovery Master: A Comprehensive Solution for Forgotten Passwords
Microsoft Excel is one of the most widely used spreadsheet software applications in the world. It is used by individuals and organizations to store, manage, and analyze data. However, sometimes users may forget the password they set for their Excel files, which can lead to data loss and productivity delays. This is where Excel Password Recovery Master comes into play.
What is Excel Password Recovery Master?
Excel Password Recovery Master is a powerful tool designed to recover forgotten or lost passwords for Excel files. The software uses advanced algorithms to crack the password protection on Excel files, allowing users to regain access to their data. With Excel Password Recovery Master, users can recover passwords for Excel files created in various versions of Microsoft Excel, including Excel 97, Excel 2000, Excel XP, Excel 2003, Excel 2007, Excel 2010, Excel 2013, and Excel 2016.
Features of Excel Password Recovery Master
Excel Password Recovery Master offers several features that make it a popular choice among users:
Excel Password Recovery Master Registration Code
To use Excel Password Recovery Master, users need to register the software using a valid registration code. The registration code is provided after purchasing the software from the official website or an authorized reseller. Once the registration code is entered, users can unlock the full features of the software and recover their Excel file passwords.
Benefits of Using Excel Password Recovery Master excel password recovery master registration code
Here are some benefits of using Excel Password Recovery Master:
Conclusion
Excel Password Recovery Master is a reliable and efficient tool for recovering forgotten or lost passwords for Excel files. With its advanced recovery algorithms, multi-file support, and user-friendly interface, the software is an ideal solution for individuals and organizations that use Microsoft Excel. By registering the software using a valid registration code, users can unlock the full features of Excel Password Recovery Master and regain access to their locked Excel files.
Excel Password Recovery Master Registration Code: A Comprehensive Guide
Are you struggling to access an Excel file due to a forgotten password? Excel Password Recovery Master is a powerful tool designed to help you regain access to your password-protected Excel files. In this article, we'll explore the features and benefits of Excel Password Recovery Master, as well as provide information on its registration code.
What is Excel Password Recovery Master?
Excel Password Recovery Master is a software application developed to recover or remove passwords from Excel files (.xls, .xlsx, .xlsm, .xltx, .xltm). The tool uses advanced algorithms to crack the password, ensuring that you can access your file without any data loss.
Key Features of Excel Password Recovery Master
Benefits of Using Excel Password Recovery Master
Registration Code: How to Obtain and Use
To use Excel Password Recovery Master, you'll need to obtain a registration code. Here are the steps:
Tips and Precautions
Conclusion
Excel Password Recovery Master is a reliable and efficient tool for recovering or removing passwords from Excel files. With its advanced features, user-friendly interface, and fast recovery algorithms, it's an ideal solution for individuals and businesses struggling with password-protected Excel files. By obtaining a legitimate registration code, you can unlock the full potential of Excel Password Recovery Master and regain access to your important data.
Finding a registration code for Excel Password Recovery Master can be frustrating when you are locked out of an important spreadsheet. While many users search for "free" license keys or cracks, these often lead to security risks or software failure. The Reality of Registration Codes
Excel Password Recovery Master is a commercial utility. To unlock its full functionality—such as decrypting "Password to Open" or "Password to Modify" on XLS and XLSX files—you generally need a valid license from the developer, Rixler Software.
Official Keys: Purchased directly from the developer's website.
Trial Limitations: The demo version usually only shows a few characters of the password or decrypts small files.
Risk of "Cracks": Sites offering "registration code generators" often bundle malware or spyware with the download. How the Software Works
This tool is designed to recover or remove passwords for Microsoft Excel documents. It uses a cloud-based decryption service for certain file types, which is why a legitimate registration code is often required to connect to their servers.
Password to Open: Breaks the encryption used to lock the file. Password to Modify: Instantly removes the write-protection.
Workbook & Worksheet Passwords: Clears protection from individual tabs and structures. Safe Alternatives to Recovery Codes
If you cannot afford a license or are looking for a one-time fix, consider these safer methods before downloading risky "registration key" files: 1. The VBA Script Method
For older .xls files (Excel 97-2003), you can often bypass worksheet protection using a simple VBA script. Open your workbook. Press ALT + F11 to open the VBA editor.
Insert a new module and paste a recovery script (widely available on tech forums). Run the script to "crack" the sheet password. 2. The XML Modification Trick For newer .xlsx files, you can manually remove protection: Change the file extension from .xlsx to .zip. Open the zip folder and navigate to xl/worksheets/. Open the XML file for the locked sheet. Search for the tag .xlsx. 3. Open-Source Tools
Tools like Hashcat or John the Ripper are free and powerful. However, they require technical knowledge and a strong GPU to "brute force" complex passwords. Why Avoid "Free" Registration Codes?
Searching for "Excel Password Recovery Master registration code" on sketchy websites often results in:
Trojan Horses: Malicious software that steals your banking info. Adware: Flooding your computer with pop-ups.
Non-Working Keys: Most shared keys are blacklisted by the developer immediately. If you'd like to try a specific recovery path, let me know: What is the file extension? (.xls or .xlsx) Is it a password to open the file or just to edit a sheet?
Are you comfortable using technical tools like the command line?
I can guide you through the safest manual method for your specific situation.
This paper explores the technical architecture and ethical landscape of password recovery tools, specifically examining Excel Password Recovery Master by Rixler Software. It analyzes how the software bypasses different Excel protection layers—ranging from simple worksheet locks to complex AES-256 "Open" passwords. The study also addresses the licensing model, the necessity of valid registration codes, and the cybersecurity risks associated with seeking unauthorized "cracked" versions of these tools. 1. Introduction
Password protection in Microsoft Excel is a critical feature for data confidentiality and integrity. However, the loss of these passwords can lead to permanent data inaccessibility. Tools like Excel Password Recovery Master aim to solve this by offering automated decryption and recovery services. This paper examines the role of these tools in data management and the importance of legal software acquisition through proper registration. 2. Technical Analysis of Recovery Mechanisms
Excel Password Recovery Master utilizes several methods to regain access to protected documents:
Instant Removal: Many protection types, such as "Write" passwords, workbook structure protection, and individual worksheet locks, are removed instantly by the software.
Cloud-Based Decryption: For "Open" passwords in older Excel formats (97/2000/XP/2003), the software uses a remote cryptographic server. It sends only a few kilobytes of data (the authorization header) rather than the entire file to ensure privacy and speed.
Limitations: Modern Excel formats (.xlsx) using robust encryption like AES-256 often require brute-force or dictionary attacks, which are computationally expensive and may not be supported for "Open" passwords in all tool versions. 3. The Role of Registration Codes
A registration code (or license key) is a unique alphanumeric string provided to users upon purchasing a legitimate license from developers like Rixler Software or authorized distributors.
Functionality: Codes unlock the full features of the software, such as the ability to recover passwords longer than 3 characters or use the cloud decryption server.
Security Risks of "Cracks": Users often search for "free registration codes" or "cracked" versions. Cybersecurity research warns that these downloads are frequently bundled with malware, ransomware, or spyware designed to steal the very data the user is trying to recover. 4. Ethical and Legal Considerations
The use of password recovery software sits at a junction of necessity and potential misuse. 3 Ways to Password Protect your Microsoft Excel Files
Review:
The search term "Excel Password Recovery Master registration code" suggests that you are looking for a way to bypass or recover a password for an Excel file, specifically using a software tool called "Excel Password Recovery Master." Here's a neutral review based on general information:
What is Excel Password Recovery Master?
Excel Password Recovery Master is a software tool designed to recover or remove passwords from Excel files (.xls, .xlsx, .xlsm, .xltx, .xltm). The software claims to offer a straightforward solution for users who have forgotten their Excel file passwords or need to access password-protected files.
Key Features:
Pros:
Cons:
How to Use:
Alternatives:
Conclusion:
If you're looking for a solution to recover Excel passwords, Excel Password Recovery Master seems like a viable option. However, always consider the legal and ethical implications of using such software. Ensure you use it responsibly and securely. For best practices, consider keeping secure backups of your critical files and using strong, memorable passwords.
Rating: Based on functionality and assuming positive user reviews, a rating of 4/5 could be considered, with the main deductions for potential ethical and security concerns.
Excel Password Recovery Master is a third-party utility designed to remove or recover lost passwords for Microsoft Excel files. The Registration Code
: This is a unique key provided by the developer upon purchasing a license. Using shared or "master" codes found online is a violation of the software's terms of service and poses a significant malware risk. Official Purchase
: You can obtain a valid registration code directly from the Rexton Software website or authorized distributors. 2. Built-in Methods to Reset or Remove Passwords
Before using third-party tools, try these official methods provided by Microsoft: Microsoft Account Recovery
: If the file is synced to a Microsoft account you cannot access, use the Microsoft Account Recovery Tool to reset your credentials. Unprotecting Sheets via XML
: If only the worksheet (not the whole file) is protected, you can sometimes bypass it by: Changing the file extension from Navigating to xl/worksheets/ and editing the XML file to remove the
and opening it with Google Sheets can sometimes automatically strip worksheet-level protection. 3. Safe Alternatives for Password Management To avoid needing recovery tools in the future: Password Management
: Use a dedicated password manager to store complex keys for your sensitive documents. Built-in Encryption : Use the official File > Info > Protect Workbook > Encrypt with Password
feature to secure your files, but ensure you have a backup of the password. Trusted Recovery Software
: If you must use recovery software, stick to reputable tools found on official platforms like the Microsoft Store SysTools for Excel Password Recovery - Microsoft Store
Searching for a "registration code" or "crack" for Excel Password Recovery Master is highly risky
, as these files are frequently used as bait for malware or phishing. To use the software safely and legally, you must purchase a license through an authorized merchant to receive an official registration code. Where to Get a Legitimate Registration Code
Legitimate registration codes for Excel password recovery tools are typically sent via email immediately after a secure purchase. top-password.com Official Purchase
: The most direct way to get a working code for this specific software is through its developer's official site or recognized marketplaces like the SoftwareOne Marketplace : Standard licenses for similar tools generally range from $19 to $39 for a year or lifetime access. Secure Payment : Authorized sites use secure payment processors like PayPro Global FastSpring Safe Alternatives and Methods
If you are trying to avoid a purchase, consider these safer alternatives rather than looking for "cracked" registration codes:
This software is a dedicated tool by Rixler Software designed to remove or recover passwords from Microsoft Excel files. Key Capabilities
Instant Removal: It can immediately remove "Modify", "Workbook", and "Worksheet" passwords.
Open Password Recovery: For passwords required to open a file, it often uses a cloud-based decryption service to find the key quickly.
Version Support: Typically supports Excel versions from 97 through modern versions like 2019. 🔑 The "Registration Code" Reality
Most "Master" recovery tools offer a trial version. This version usually only shows the first 2 or 3 characters of a password to prove it works. Why you should avoid "Free" or "Cracked" Codes
Searching for "free registration codes" or "cracks" online is highly risky:
⚠️ Malware Risk: Sites promising "free keys" often bundle downloads with spyware, ransomware, or Trojans.
🚫 Fake Generators: Most "key generators" are scam software designed to steal your data or install browser hijackers.
💼 Official Path: Legitimate keys are only available through the official developer's site and typically cost around $29.95 for a single-user license. 🔓 Safer & Free Recovery Alternatives
If you are locked out of a sheet or workbook (but not the file itself), you can often unlock it for free using these manual methods. 1. The .ZIP Method (For Sheets/Workbooks)
If you can open the file but cannot edit sheets, follow these steps:
How to Unprotect an Excel Sheet: With or Without a Password | DataCamp
The Myth of the "Master Registration Code": Securing Your Excel Files
It is a frustrating moment: you have an essential Excel file, but the password is gone. In your search for a quick fix, you might encounter websites promising an "Excel Password Recovery Master Registration Code" or "cracked" versions of specialized software.
Before you click "download" or enter your credit card information, it is vital to understand what these codes actually are and—more importantly—what they are not. The Truth About Registration Codes
Software like Excel Password Recovery Master (developed by Rixler Software) typically requires a unique, paid license key to unlock its full features.
The Scam Risk: Websites offering "free master registration codes" are often honey pots for malware. These sites frequently bundle "cracked" software with spyware designed to steal your actual logins or sensitive personal data.
Verification Scams: Be wary of any service that asks you to provide a "verification code" sent to your phone or email to "unlock" the tool; this is a common tactic used by scammers to hijack your accounts.
Legitimate Purchases: If you choose to use professional recovery tools, only obtain licenses from verified sources like the official developer site or the Microsoft Store. How Excel Protection Actually Works
Modern Excel files (.xlsx) use two distinct types of protection that dictate whether a "master code" or "recovery tool" can even help you:
Never Share Your Verification Code: The One-Time Passcode Scam
No. Here is why:
If the data is work-critical (e.g., annual report, tax files), pay the $30–$50 for the legitimate software. Consider it an insurance policy against data loss. If the data is trivial, simply use an online recovery service (but be wary of uploading sensitive data to random websites).
You’re staring at an Excel sheet you created 3 years ago. Payroll data. Client lists. Your thesis. And you have no idea what the password is.
So you Google “Excel password recovery master registration code” — and land on sketchy forums promising magic.
But here’s the truth: there’s no universal master code. Here’s what really happens behind the scenes.
Disclaimer: This article is for educational purposes. Unlocking Excel files you do not own may violate privacy laws and terms of service. Always ensure you have explicit permission to recover a password from a workbook.
If you have ever found yourself staring at a locked Excel spreadsheet—your own work, but access denied—you know the frustration. Perhaps it’s a client list from 2019, financial data for an audit, or a project plan you made three jobs ago. When “Password Reminder” fails, many users turn to one of the most searched tools on the internet: Excel Password Recovery Master.
But a quick Google search reveals a flood of side-loaded websites promising an “Excel Password Recovery Master registration code” for free. Is this safe? Does it work? And is there a better way?
In this comprehensive guide, we break down everything you need to know about Excel Password Recovery Master, the truth about registration codes, and how to actually recover your lost XLSX passwords.
Check your email spam folder. Legitimate vendors provide a "Lost key" recovery page using your purchase email.
Excel Password Recovery Master is a third-party software utility designed to restore or remove password protection from Microsoft Excel files (.xls, .xlsx, .xlsm). Unlike built-in Microsoft recovery options (which do not exist), this tool uses advanced methods like:
The software claims to recover passwords for opening files (encryption) as well as sheet/workbook structure protection.