Excel files bloat from ghost used ranges, formatting, pivot caches, and images. These quick fixes massively cut the size of ...

Microsoft's spreadsheet program can do way more than you might imagine. These are the hacks and tricks you need to know.

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Some of the best ways to contribute are to try things out, file issues, join in design conversations, and make pull-requests. Check out the contributing page to see the best places to log issues and ...