using (OleDbConnection conn = new OleDbConnection(connectionString))
The 2007 Office System Driver Data Connectivity Components (often referred to as the ACEDAO or ACE OLEDB provider) is a critical set of components used to facilitate data transfer between Microsoft Office files and external applications. If you are developing applications that need to read or write data to Microsoft Office Access 2007 (or later) and Microsoft Office Excel 2007 (or later) files, this system driver is the bridge that makes it possible.
| Attribute | Value | |-----------|-------| | | 2007 Office System Driver: Data Connectivity Components | | Internal Engine | Access Connectivity Engine (ACE) 12.0 | | OLE DB Provider | Microsoft.ACE.OLEDB.12.0 | | ODBC Driver | Microsoft Access Driver (*.mdb, *.accdb) | | Main File | Aceoledb.dll, Aceodbc.dll, Acecore.dll | | Registry Key | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\12.0 | | Successor | Microsoft Access Database Engine 2010/2016 Redistributable | 2007 office system driver data connectivity components link
Often referred to as the or AceOLEDB , this driver installs the necessary OLEDB provider and ODBC drivers required to connect to Access and Excel files via data connectivity technologies.
Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:\myFolder\myAccessFile.accdb;Persist Security Info=False; Use code with caution. Provider=Microsoft
April 11, 2017
: In the days of Microsoft SharePoint 2010, a common feature was the "Datasheet View," which allowed users to edit list data in a spreadsheet-like grid. For this feature to work properly with 64-bit versions of Office, the 32-bit version of the 2007 Office System Driver was sometimes required to enable the datasheet component, even if a newer version of Office was installed. Consequently, the official download link for "2007 Office
Consequently, the official download link for "2007 Office System Driver: Data Connectivity Components" (ID 23734) is . The official page has been removed from the Microsoft domain. While the driver can still be found on third-party mirror sites and archives (such as the Internet Archive's Wayback Machine), downloading and using it is not recommended.
Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:\Data\Sales.xlsx;Extended Properties="Excel 12.0 Xml;HDR=YES";
Automated data parsing from legacy accounting systems into Excel workbooks.