What a mess Not sure if this is a gmail account issue or an att/yahoo issue at this point as I have both accounts POP3 and IMAP connected to my local instance of Outlook. So if someone emails my account, I hit reply and am automatically responding from do have the option to select the email I want to send from from the dropdown, but don’t want to have to remember to do it every time. It always timeout before it gets all of them download, but whenever I try to retrieve new mail several thousand more old emails (2013) trickle in. After a while, re-download it from Apple Store to see whether it can process normally.
Tap the little x to delete it from your device.
While you may find that this is a viable solution for some slow down issues or freezes in Thunderbird, you may want to take a look at other possible solutions that help you speed up the email program on your system.
It is again recommended to backup the profile before running the software program. All it takes to delete all msf files associated with the profile is to select the profile and click on the Fix Profile link. It displays a list of Thunderbird profiles that it found on the computer system after execution. ThunderFix eliminates most of the hassle associated with the process. Another possibility is to run a software program like ThunderFix.