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) repair corrupted OST in Outlook on October 14, 2025. For more information, see this article.

Chosen Solution

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 Office 365 sync problems and login fixes 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.

• Meanwhile, the "connecting" or "Checking for mail..." just stays on the bottom status bar of the mail app.
• I will try the safe starts and experiment with the buttons ans see if it improves.
• My VPN was working in the background, even though the file was closed.
• I have no firewall monitors running during the day that would interfere just the vpn.
• I deleted the Apple Mail app from the phone, reinstalled from the App Store.
• After instalation ios 18 all my accounts in mail app stopped to sync( including icloud mail).
• It's usually not checked by default for IMAP to minimize network traffic.
• By reporting abuse, a moderator will be asked to review the content of this interaction to take further action, if necessary.

My accounts in Mail app stopped to sync post update

Simply making a change in Outlook does not in and of itself mean that anything has changed in Gmail. For example, you can disconnect from the Internet and make changes. Outlook needs to explicitly reach out to Gmail and communicate online Outlook email repair utility the changes you've made. I would suggest that frequent changes to folder contents on multiple devices will make it go wrong. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. This anomaly also occurs when using the hosting system (first type), using different names for inbound and outbound servers.

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I checked all 5 of the tabs in this window that expressions is not there. This seems bizarre the email would not populate. A stable connection between your email client and email server depends on the syncing of your IMAP folder.