How to Filter Mail by Size in Gmail

By Lowell Heddings on March 15th, 2013

Want to figure out what is taking up all your space in Gmail? It’s easy — just use the size operator in the search box. You can combine it with the has:attachment operator to make sure that you’re just filtering for attachments, but it will work either way.

Use a search like this to return all emails larger than 10 MB:


You can also use regular numbers, like size:10000000 for the number of bytes if you want to get even more crazy. But it’s much simpler to use the 10mb operator. Or 5mb. Or whatever.

Lowell Heddings, better known online as the How-To Geek, spends all his free time bringing you fresh geekery on a daily basis. You can follow him on if you'd like.

  • Published 03/15/13
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