Their webmail works fine, and when this account is added to the Windows Mail app, everything works perfectly. These are the common reasons why the IMAP folder is not syncing. To resolve the IMAP issue, I will explain different solutions in the upcoming section of the article. It's just a little bit technical, but we have an IMAP proxy that chooses from some different backend IMAP servers. If the user account ends up on an old IMAP server implementation (in that case f.i. a Cyrus imapd 2.4.17), IMAP Client of iOS 18 Mail app doesn't work. 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.

Why IMAP Folder is Not Properly Syncing?

Meanwhile, the "connecting" or "Checking for mail..." just stays on the bottom status bar of the mail app. I deleted the Apple Mail FixTechGuide Office 365 troubleshooting app from the phone, reinstalled from the App Store. So only wait when some "smarties" from apple IT solve problem in app ... Apple programmers use no CD/CI - simple sometimes update by "sales-manager requests", and without any critical-bug-checks ... Full cleanup of ALL accounts is not a solution(and re-add even helps not).

Chosen Solution

A primary way to compromise an O36 user is phish a user, steal their creds, and connect via IMAP to get a copy of a whole mailbox. Upgrade to Microsoft Edge to take advantage Outlook OST vs PST repair of the latest features, security updates, and technical support. Intermedia has been recognized by J.D. Power for providing "An Outstanding Customer Service Experience" for its Assisted Technical Support.

IMAP folder sync issue in the new Outlook (moved emails not syncing to webmail)

The responsables of the mail told us to move all the mails from past years to a new account to reduce it's size, but after doing that it doesn't seems to be working. This problem isn't anything new, this happens every year or so, but this time it just isn't getting fixed. By reporting abuse, a moderator will be asked to review the content of this interaction to take further action, if necessary. Some reference links I read thru though I don't fully understand all of what is being discussed. I have not tried the add-on yet I am going to experiment.

• Meanwhile, the "connecting" or "Checking for mail..." just stays on the bottom status bar of the mail app.
• 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.
• After instalation ios 18 all my accounts in mail app stopped to sync( including icloud mail).
• 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

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 recreate Outlook Profile Step by step 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...