Download Microsoft Access Database Engine 2010 Redistributable 32 Bit May 2026

If you’ve ever tried to work with .xlsx , .xls , or .accdb files outside of Excel or Access—especially in PowerShell , Python (pandas) , C# , or SQL Server Integration Services (SSIS) —you’ve likely encountered this error: The ‘Microsoft.ACE.OLEDB.12.0’ provider is not registered on the local machine. The solution? The Microsoft Access Database Engine 2010 Redistributable (32-bit).

❌ → If you need to read .xlsx files, you don’t need this driver. But if you need to read .xls (older format) or Access .accdb , this driver is essential. Final recommendation Download and keep a copy of AccessDatabaseEngine.exe in your internal tools repository. Because Microsoft may eventually retire the 2010 download page, and this tiny 26 MB file unlocks years of legacy data access.

Look for the file named: (that’s the 32-bit version) The 64-bit version is named AccessDatabaseEngine_x64.exe . Do not grab that unless you are 100% sure your toolchain supports 64-bit ACE. Step 2: Install normally (with one big exception) Run AccessDatabaseEngine.exe . The default install is straightforward. If you’ve ever tried to work with

AccessDatabaseEngine.exe /quiet Or, to see progress but bypass the version check:

For 99% of mixed-environment scenarios (32-bit scripts + 64-bit Office), the 32-bit ACE 2010 redistributable remains the correct, battle-tested answer. Have you run into the “bitness mismatch” error? Let me know in the comments — I’ve been fighting that dialog since 2012. ❌ → If you need to read

🔗 https://www.microsoft.com/en-us/download/details.aspx?id=13255

Go to the official Microsoft Download Center: Because Microsoft may eventually retire the 2010 download

❌ → Run the installer from a local drive (not a network path). Also, ensure no Office apps are open (Outlook, Excel, Word).