PC.net

.xll

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

Contains extra functions, templates, or other tools that enhance the capabilities of Microsoft Excel; similar to a standard .DLL file (Dynamic Link Library), but is specifically written for MS Excel.

Open With
Windows

IconMicrosoft Excel

macOS

IconMicrosoft Excel

Updated 2007
Information from the PC File Extensions Reference
https://pc.net/extensions/file/xll
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