Office 365 - Improving the performance of clients configured via IMAP

Email clients that are configured via IMAP will experience a variety of limitations and performance issues. Due to these issues, configuring your client via IMAP is not recommended. However, if you do decide to configure your client via IMAP, the suggestions below may help mitigate some of the performance issues.

Performance issues for clients configured via IMAP

Below is an overview of the biggest issues you will experience if you decide to configure your email client via IMAP.

How to reduce performance issues

The steps below may help mitigate the performance issues you will experience when using a client that is configured via IMAP. Please keep in mind that these steps will not completely alleviate performance issues.

Remember, the best way to avoid the issues described in this document is to configure Outlook client via Exchange protocol.

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