Microsoft Office 365 Offline Installer

This method installs the software, but it does not activate it. When you open Word or Excel for the first time on the target computer, you will be prompted to sign in with the Microsoft account that holds the Office 365 license. You need an active internet connection for activation, even if you installed it offline.

<Channel ID="MonthlyEnterprise" />

Go to the Microsoft Download Center:
Download the Office Deployment Tool for Click-to-Run

Run the downloaded officedeploymenttool.exe and extract its contents (setup.exe and sample XML files) to a folder, e.g., C:\ODT. microsoft office 365 offline installer

This is the primary benefit. If you have to install Microsoft 365 on 10, 50, or 100 computers, downloading the same ~4GB of data for every single machine is wasteful.

To tell the tool what to download, you need a configuration file. The easiest way to create this is using the Microsoft 365 Apps Admin Center. This method installs the software, but it does

Basic Method (Manual Creation): If you want to do this quickly without the web tool, open Notepad and paste the following code. This example downloads the 64-bit English version of Microsoft 365 Apps for Enterprise (Standard Office 365 subscription).

<Configuration>
  <Add SourcePath="C:\ODT\Office" OfficeClientEdition="64" Channel="Current">
    <Product ID="O365ProPlusRetail">
      <Language ID="en-us" />
    </Product>
  </Add>
</Configuration>
  • Language ID: Change en-us to your preferred language code (e.g., es-es for Spanish).

    • Save this file as configuration.xml inside the same folder where you extracted the setup.exe file. &lt;Channel ID="MonthlyEnterprise" /&gt;

    If you live in a region where the internet is slow (think <5 Mbps), the standard web installer will time out. Microsoft’s servers are fast, but a 4GB download on a shaky connection might take 6 hours, only to fail at 99%. The offline installer allows you to download the file overnight using a download manager (which can resume broken downloads), then install locally in minutes.

    | Limitation | Explanation | |------------|-------------| | Not a single .exe file | You must use ODT to build the source | | License required | Offline install still needs a valid Office 365 license (user login or KMS/MAK for VL) | | Updates | The offline source does not auto-update; you must re-download updated source periodically | | Activation | First launch requires internet for license verification unless using KMS/ADBA in corporate networks | | Microsoft Account | For retail O365 Home/Personal, user must sign in after install |