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on January 12, 2026
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Even if I have an account with zero message I need to click to see the new ones there are no numbers appear. I am also running QuickFolders and its the same nothing shows up on those tabs until i physically click on them. Doing a send and receive manually or waiting on the scheduled send and receive on the client does not update new mail items. I still have to manually click on a different folder other than inbox, then click back to inbox for new items to appear.
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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. Now, enable one add-in at a time and then restart Outlook.
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If I have the inbox selected and I get new mail, I will not see the new mail appear in the inbox automatically during a scheduled send and receive. After instalation ios 18 all my accounts in mail app stopped to sync( including icloud mail). I can only similar web-site recive mails but when I delete mails on macbook they are not deleted on iphone.
How to Fix Outlook 2021/2019/2016/2013 IMAP Sync Issues?
Try attacking it from that angle and see what you find. If I have another folder besides the inbox selected, the new mail will appear in the inbox during the scheduled send and receive and I will get the new mail notification sound. Currently I have my send and receive group set on 5 minutes, just so I don’t have to wait as long between testing. To test I usually get on my phone and send a test mail from my personal yahoo account to my Business IMAP account. Just a few seconds after sending, my phone will show that I have a new message on my IMAP, but currently I have been waiting 10 minutes on my Outlook (2 send and receives) and no email listed yet.
IMAP folder sync issue in the new Outlook (moved emails not syncing to webmail)
That means that Mail app Repair Outlook Profile Online fully connected to server , asked for statuses, but not displaying anything.
Creating a new OST file clears up a host of weird problems with Outlook. I know this is not very helpful, but we ran into exactly the same issues as you with one of our clients using Outlook 2010/Win7 and Godaddy’s IMAP mail and never truly figured it out. If I click off of inbox and down to sent item, then click back on inbox, all of the new mail will populate.
Otherwise why even have the ability to auto-sync?When the Work Online mode is enabled, Outlook will connect to the mailbox server and start syncing the items to and from the server.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.Try attacking it from that angle and see what you find.Creating a new OST file clears up a host of weird problems with Outlook.If I have the inbox selected and I get new mail, I will not see the new mail appear in the inbox automatically during a scheduled send and receive.I am also running QuickFolders and its the same nothing shows up on those tabs until i physically click on them.
The setting isn't present for folders that are automatically checked, such as Inbox. See the attached picture for the Properties window for a user-created folder. 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 remain visible in the All Mail folder when accessed via webmail. Furthermore, when calendar invites are accepted using the Outlook client, they disappear from All Mail and go into the Trash folder, but when using WebMail, they remain in the Inbox.
To troubleshoot the issue, try reconnecting the network cable or WLAN. You may also contact your IT support to ensure the network firewall isn’t blocking the mail server. Also, log expert Outlook tips by FixTechGuide in to your email account using a web browser to ensure your account is active and the server is available.