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Editorial Team
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Asked: 2026-05-18T21:09:10+00:00

I am using OLE DB driver to insert more than 255 characters into an

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I am using OLE DB driver to insert more than 255 characters into an Excel sheet, but I get the error:

Exception Details: System.Data.OleDb.OleDbException: The field is too small to accept the amount of data you attempted to add. Try inserting or pasting less data.

Seems from this thread that it’s an Excel limitation. Even the Microsoft site seems to say so here.

So does this mean I can’t programmatically, but I can manually? Because I can enter more than 255 characters when I manually type them in Excel. So is it a Microsoft.ACE.OLEDB.12.0(AccessDatabaseEngine.exe) driver limitation?

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  1. Editorial Team

    The link you are refering to, is about 256 columns and not characters. The 256 characters problem is described here with a workaround: http://support.microsoft.com/kb/213841

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