What is the XLW3 file format?
A file with the .XLW3 extension is a file known as Microsoft Excel 3 For Mac Workbook. It belongs to the Spreadsheet Files category. This format is associated with Microsoft Corporation.
The reliable way to open a .XLW3 file is with software that recognises this exact format, rather than guessing from the file name. If you are not sure what created a file, our file identifier can read its first bytes and name the real format, even when the file has been renamed.
We are still gathering the list of programs that open .XLW3 files. A fully verified, hand-written description of this format is being prepared; until then, the details on this page are drawn directly from our database.
Format details
in a nutshellFULL NAMEMicrosoft Excel 3 For Mac Workbook
DEVELOPERMicrosoft Corporation
CATEGORYSpreadsheet Files
Community Q&A
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