Mail rules filter incoming messages to keep your inbox clean — and one type called server-side rules can filter some emails no matter what email client or device you are using. I’m inundated with ...

In the Cached Exchange Mode, a copy of your mailbox is saved on your computer. The copy offers prompt access to your data and is often updated with the server that runs Microsoft Exchange. Cached mode ...

Microsoft has fixed an issue causing some Microsoft 365 users' Outlook desktop clients to stop connecting to email servers via Exchange ActiveSync. Exchange ActiveSync (EAS) is a synchronization ...

Offline Storage Table (OST) file is the local cache that Outlook creates when you add or sign in using an IMAP, Microsoft 365, Exchange, or Outlook.com email account. It is a database format used by ...

Microsoft warned Outlook for Microsoft 365 users that clients might have issues connecting to email servers via Exchange ActiveSync after a January update. Exchange ActiveSync (EAS) is an Exchange ...