Updated on January 29th, 2022
Some of the Outlook users, when configuring IMAP with Outlook 2013 or Office 365 face some issues. This affects the users due to which they are unable to download their email messages. So, here in this blog, we are offering various methods to fix the IMAP Sync issue with Office 365.
Generally, MS Outlook carries IMAP / POP3 and Exchange accounts, and you can configure your Gmail, Yahoo! Mail, AOL, Exchange, and other email accounts. Also, you can build up many Outlook email accounts to access your mailboxes from your system.
In contrast to Outlook, other email clients allow IMAP (Internet Mail / Message Access Protocol) as well as POP (Post Office Protocol) to import messages from the server via email. Unlike POP3, IMAP retains a duplicate of every message on the server before you manually remove it. That allows IMAP a preferred protocol for email.
These new security updates i.e KB2837618 or KB2837643 for Outlook 2013 cause the IMAP Sync issue. If you still have not installed these updates, then don’t opt for this and if you already installed it then follow the next steps to solve this issue. Some other most occurring issue you may face:
There are three manual ways to fix this issue:
If the above methods are not able to fix the issue, then in extreme cases, due to bad installation of updates, the messages can get corrupted which causes unavailability of data. So, to remove corrupted data you can go with the professional third party tool i.e OST to PST Converter. This tool efficiently supports the corrupted Outlook offline data files (OST) and converts them into PST, DBX, EML, MBOX, Archive, and MSG. This will make the corrupted OST files into healthy files.
Here, all the causes regarding IMAP Sync issue with Office 365 or Outlook 2013 and their solutions to fix them. If still you face the same issue then you can follow the above direct professional software. Hope this post will assist you in fixing the issue easily.
Read here: Gmail and Outlook Sync Issue- Resolved
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