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File Type Excel Add-In File IconExcel Add-In File
File Format Proprietary (Microsoft)
Usage Referenced by an application; not meant to be opened manually
Rank ★ ★ ☆  Average
Description

Adds modules, extra functions, and other tools to Microsoft Excel; may be included with the Excel software program, developed by a third-party, or created by the user.

Excel Add-In files can be created an added by selecting "Add-Ins..." from the Tools menu in Excel.

Open With
Windows

IconMicrosoft Excel for Windows

Macintosh

IconMicrosoft Excel for Mac

Updated 2007
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