Download Microsoft.ace.oledb.12.0 Provider For Both 64-bit //free\\ May 2026

For developers and data analysts, the Microsoft.ACE.OLEDB.12.0 provider is essential for connecting non-Microsoft applications to Office files like Access (.accdb) and Excel (.xlsx). However, installing both the 64-bit and 32-bit versions on the same machine often triggers an error stating that you cannot have both versions of the database engine installed.

AccessDatabaseEngine_x64.exe /quiet

Install 32-bit (forcing side-by-side)

msiexec /i "AccessDatabaseEngine.exe" ADDLOCAL=ALL /quiet download microsoft.ace.oledb.12.0 provider for both 64-bit

: If you encounter errors after installing both, you may need to delete the registry value located at For developers and data analysts, the Microsoft

Why this works: The /quiet switch suppresses the conflicting architecture check. After completion, both Microsoft.ACE.OLEDB.12.0 (32-bit) and Microsoft.ACE.OLEDB.12.0 (64-bit) will be registered and usable. : If you encounter errors after installing both,

Step 3: Verifying the Provider

Once installed, the Microsoft.ACE.OLEDB.12.0 provider is ready to use.

Microsoft has moved many legacy downloads, but the installers are still available through the Microsoft Download Center. 64-bit Version: AccessDatabaseEngine_X64.exe 32-bit Version: AccessDatabaseEngine.exe 🛠️ How to Install Both (Side-by-Side)

1. Go to the Microsoft Download Center.
2. Click on the "Download" button next to "Microsoft Access Database Engine 2010 Redistributable".
3. Select the correct version (32-bit) and language for your system.
4. Click "Download" to start the download process.