Download Microsoft.ace.oledb.12.0 Provider For Both 64-bit [new] Instant

The Microsoft.ACE.OLEDB.12.0 provider is part of the Microsoft Access Database Engine, a component that allows non-Microsoft Office applications to read data from Microsoft Office files like Excel (.xlsx) or Access (.accdb). While Microsoft has increasingly moved toward version 16.0 (Office 2016 and later), many legacy systems still explicitly require the 12.0 provider. Primary Download Sources

using (OleDbConnection connection = new OleDbConnection(connectionString))

Important Notes

• This provider supports .xls, .xlsx, .accdb, .mdb files.
• Maximum file size: 2 GB (for .mdb) – larger for .accdb.
• If you need newer features or support for Office 2016/2019 formats, consider Microsoft ACE OLEDB 16.0 (Access Database Engine 2016 Redistributable). However, 12.0 remains widely compatible.

New-Object -ComObject "ADODB.Connection"
$conn = New-Object System.Data.OleDb.OleDbConnection("Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:\test.xlsx;Extended Properties='Excel 12.0 Xml;HDR=YES'")
$conn.Open()
Write-Host "Provider is registered and working" -ForegroundColor Green
$conn.Close()

To download the Microsoft.ACE.OLEDB.12.0 provider for both 64-bit and 32-bit environments, you must install the Microsoft Access Database Engine Redistributable . Official Download Links download microsoft.ace.oledb.12.0 provider for both 64-bit