Outlook stuck on synchronizing folders

I started having this issue yesterday (9/8/2024). I tried everything that I could think of. I have one personal domain, and 4 gmail accounts. I did this process on the first gmail account, and problem solved! thanks.

update: new a few hours later and the problem is back again. I made sure to make the changes on every gmail account, but that did not fix the issue. :(

Wow! This really helped. These two links also contributed to getting my email straightened out after a new system build.

All of the syncing of my multiple folders took a couple of days, but at least now things are working. Cleaning out unneeded emails from the folders also helped speed things up a bit.

https://answers.microsoft.com/en-us/outlook_com/forum/all/why-does-outlook-365-keep-displaying-synchronizing/d3c1ccc2-f124-4c3b-b16b-8d39f05a21ad https://answers.microsoft.com/en-us/outlook_com/forum/all/why-does-outlook-365-keep-displaying-synchronizing/d3c1ccc2-f124-4c3b-b16b-8d39f05a21ad

Brilliant! This worked. I've been suffering with this issue for months. Thanks for your help, Katherine.

Hi Ive got exactly the same issue. I;ve done exactly what you've said but when I now click on Send/Receive I get 1 - (email address) Sending, 2 - Checking for new mail in subscribed folders (email address) 3 - (email address) Check for new mail.

So even though there are no subscribed folders its still checking and after 10 minutes seems to have got nowhere, and no new emails are coming down even though I know there are loads

I was able to fix mine after deleting all of Gmail accounts and readding them to Outlook, then (very reluctantly!) deleting my main business domain email account and readding it. This did cause me to lose a few business emails, and have to do some minor cleanup, but all is working now.