Download Microsoft Access Database Engine 2010 Redistributable 32 - Bit
AccessDatabaseEngine.exe /quiet Or, to see progress but bypass the version check:
❌ → Run the installer from a local drive (not a network path). Also, ensure no Office apps are open (Outlook, Excel, Word). AccessDatabaseEngine
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. Have you run into the “bitness mismatch” error
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. Do not grab that unless you are 100%
– if you already have Microsoft Office 64-bit installed , the installer will block with a warning: You cannot install the 32-bit version of the Access Database Engine because you have 64-bit Office products installed. The workaround (forced quiet install) Open Command Prompt as Administrator and run:
Go to the official Microsoft Download Center: