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All messages that were trashed in Outlook still appear in All Mail when accessed using webmail, even days later. With that said - the "delayed syncing" issue that I am experiencing is happening on Inbox as well as Junk folders. So my Junk folders do not have that box checked, but the Inbox doesn't have a box to be be checked - their behavior is the same they are both not syncing, until I manually click on them to force the sync. I have half dozen mail accounts a few microsoft a gamil and some other ones and there is no difference they are all acting the same. In this article, I have explained various ways to solve IMAP folders are not syncing.
Why IMAP Folder is Not Properly Syncing?
Please report suspicious activity using the "Report Abuse" option. Windows 10 will reach EOS (end of support) fix Outlook after Windows update issues on October 14, 2025. For more information, see this article.
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I use both webmail and Outlook desktop client to access my Gmail. I am normally looking at the All Mail folder on Outlook. Whenever I drag messages from the All Mail folder to the Trash folder on Outlook, these messages Outlook Login Issues Troubleshooting remain visible in the All Mail folder when accessed via webmail.
IMAP folder sync issue in the new Outlook (moved emails not syncing to webmail)
Microsoft Outlook is terrible in IMAP. Hence most people only use MAPI with it. If you are forced to use IMAP, I would recommend switching to an alternative E-Mail client like Thunderbird Thunderbird — Free Your Inbox.
These are the common reasons why the IMAP folder is not syncing.It's just that the contents seem completely disconnected from what I see using webmail.I have half dozen mail accounts a few microsoft a gamil and some other ones and there is no difference they are all acting the same.I have not tried the add-on yet I am going to experiment.I use both webmail and Outlook desktop client to access my Gmail.So, properly follow the above steps and backup your data from IMAP folders.So it must be something in IMAP protocol handling on the old server that makes the iOS Mail app go out of sync or crash the syncing mechanism on the iOS device.
My accounts in Mail app stopped to sync post update
I am also running QuickFolders and its the same nothing shows up on those tabs until i physically click on them. Ok so my mistake the Properties option is there when right online Outlook email repair utility clicking folder - I was only focused on right clicking on the email address to take me to server setting I was not clicking on the actual folder. I right click a folder and Properties and it take me to attached windows. I don't see - 'When getting new messages...
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Mohit is a Microsoft Certified expert for all things Microsoft. He brings a unique perspective gained from nearly a decade of active participation in various IT forums, blogs, and social media. Through this hands-on experience, he has acquired knowledge in diverse domains like Microsoft 365 Cloud, On-Premise Exchange Server, AD, and Entra ID. At first, I was thinking it may be an issue with certificates, but it's not... I went to a bunch of online TLS tests and the mail server is fine and the certificates are trusted...