Download Microsoft.ace.oledb.12.0 Provider For Both 64-bit

Microsoft has replaced the standalone "AccessDatabaseEngine.exe" with the Microsoft Access Database Engine 2016 Redistributable.

This installer works for ACE 12.0 (Office 2007), ACE 14.0 (Office 2010), and ACE 16.0 (Office 2016). For compatibility, most systems accept "12.0" as a valid ProgID even with the 2016 engine installed. download microsoft.ace.oledb.12.0 provider for both 64-bit

This is the advanced section. If your search for "download microsoft.ace.oledb.12.0 provider for both 64-bit" brought you here, this is what you need. Microsoft has replaced the standalone "AccessDatabaseEngine

By default, Microsoft prevents side-by-side installation because both installers register the same CLSIDs. However, there is an officially supported workaround: Passive / Quiet Mode Installation. This is the advanced section

If you have a 32-bit app (like an old VB script) but a 64-bit OS, you must install the 32-bit provider.

Cause: Standard GUI installer conflict. Fix: Force the installation using the command line method in Part 4 (passive mode). However, be aware that this can destabilize Office. Back up your registry first.