.xll
| File Type |
 Microsoft Excel Add-in |
| File Format |
Proprietary (Microsoft) |
| Usage |
Referenced by an application; not meant to be opened manually |
| Popularity |
★ ★ ★ ☆ ☆ 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.
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| Open With |
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| Updated |
2007 |
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