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Add Outlook not syncing IMAP emails Software & Applications

Kristine Vanatta 2025-12-04 07:07:23 +08:00
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Content<br>
I am aware of the difference between Gmail's labels vs. Outlook's folders, but I would expect that Gmail does what is necessary to make the folders appear correct over the IMAP connection to Outlook. For example, if I drag a message from Outlook's All Mail folder to Trash, I see that message disappear from the Inbox folder after a short delay. Hence, the trashing of messages is registering on Gmail. It's just that the contents seem completely disconnected from what I see using webmail.
Why IMAP Folder is Not Properly Syncing?
Please report suspicious activity using the "Report Abuse" option. Windows 10 will reach EOS (end of support) [Microsoft Outlook Email Repair Tool Online](https://gitlab.innive.com/byrongrier9369) on October 14, 2025. For more information, see this article.
Chosen Solution
I work in a small company and for the past 2 weeks we've been having issues with customer support Outlook account. The account is used as IMAP in all customer support clients, every time you set up the mail in anyones computer [resolve Outlook not sending emails fast](https://highfivedecore.com/modern-authentication-has-broken-outlook-software-applications/) it just sync 30-50GB ost files... And because of the size, this is making the mail simply stop working after one day of normal use, forcing the users to end outlook process to make the mail sync again properly... But only when you close/open the mail again.
IMAP folder sync issue in the new Outlook (moved emails not syncing to webmail)
These methods help you in the synchronization process. If this does not work, you can contact your email provider. After that, it is also important to secure your IMAP folder to prevent this issue from happening in the future. So, properly follow the above steps and backup your data from IMAP folders. When you right-click one of the folders that doesn't show new mail unless you select it, Properties, is the box 'When getting new messages... It's usually not checked by default for IMAP to minimize network traffic.
Meanwhile, the "connecting" or "Checking for mail..." just stays on the bottom status bar of the mail app.If the proxy directs requests to a newer IMAP server implementation (f.i Cyrus imapd 3.6.1), the iOS 18 Mail app works as expected, even the requests are handled by the same IMAP server proxy.A stable connection between your email client and email server depends on the syncing of your IMAP folder.I will try the safe starts and experiment with the buttons ans see if it improves.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).
My accounts in Mail app stopped to sync post update
When you are dealing with any problem, it is important to understand the reasons behind the issues. Below are some causes that contribute to the problem. There are various variables at play here however, generally speaking, Outlook performs best when operating as a front end for Microsoft Exchange and Gmail when accessed via a web browser. I’ve never heard of setting a path before for email, so apologies if this is a simple solution to those who come across this in the future. If [Exchange connectivity diagnostic](https://indiancrafts79.com/fix-outlook-error-0x800ccc0e-email-send-receive-issues/) you can, turn off IMAP, require 2FA, and use the native outlook client. Hate to be a Debbie Downer, but why are you using IMAP?
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Microsoft, gmail and other popular accounts should sync automatically, but if they don't, I'm inclined to think it's due to the VPN or a security/antivirus app that is scanning the TB profile folder. But many users run into the problem where their important IMAP folders are not syncing or stop updating. That’s why, here I am to help you in this situation by providing you with solutions. But, before that, let’s understand the cause of the issue.