SELECT * FROM OPENROWSET('Microsoft.ACE.OLEDB.12.0', 'Excel 12.0 Xml;Database=C:\temp\Data.xlsx;HDR=YES', 'SELECT * FROM [Sheet1$]'); Use code with caution. Critical Considerations and Troubleshooting 1. 32-bit vs. 64-bit Architecture
Note: You cannot install both 32-bit and 64-bit versions of the same Office provider on the same machine. 2. "Microsoft.ACE.OLEDB.12.0" Provider is Not Registered excel 12.0
Excel 12.0 addressed the hardware constraints of previous versions by dramatically expanding the size of the worksheet grid. SELECT * FROM OPENROWSET('Microsoft
Benefits included smaller file sizes (compressed), improved data recovery, and compatibility with third-party applications. 64-bit Architecture Note: You cannot install both 32-bit
Unlike its binary predecessors, an .xlsx file is essentially a compressed ZIP archive containing XML and metadata files. This architecture allows for "sparse population," meaning the file size scales with data content rather than the grid dimensions. This results in significantly smaller file sizes for complex workbooks.