Home » Google Initiatives » How to Finding Large Email in Thunderbird

Finding Large Emails in Thunderbird

Google is not able to import individual email messages that have attachments larger than 25 MB. To help your migration go smoothly, look through your email and detach (i.e. delete) attachments larger than 25 MB.

Thunderbird inbox view

In Thunderbird, click on the right-most icon in your message display. It should look like a little box, or a small grid:


Thunderbird display options

This will give you a drop-down list. Click the “Size” display option:


This adds a clickable header to your message display, which allows you to sort emails by size. Look for messages that are larger than “25 MB” or “25000 KB”.





' >