A Microsoft 365 outage is preventing Exchange Online users from sending and receiving emails, with messages being stuck in transit and not reaching the recipients' inboxes. "We're investigating a ...

Microsoft is working on boosting Exchange Online phishing protection capabilities by adding support for external email message tags to its cloud-based email service. Once the feature is available, ...

Microsoft rolled out this week a new feature to Office 365 customers to help their IT staff detect and stop "Reply-All email storms." The term refers to situations when employees use the Reply-All ...

Some users are reporting on Twitter that Office 365 email is currently experiencing substantial delays in various spots across the US. I'm seeing some say they had problems sending and receiving email ...

As organizations increasingly rely on cloud-based services like Microsoft 365 Exchange for daily communication, a common and potentially dangerous assumption has emerged: that storing data in the ...

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 ...

Back in 2022, Microsoft announced the retirement of Basic Authentication as it was moving to modern OAuth 2.0 token-based authentication. The reason was simple, to move away from such simple ...

Microsoft 365’s corporate email, calendar, and contact services are built on top of the company’s ultra-fast ActiveSync protocol. Many small to enterprise size businesses use Microsoft 365 (Exchange) ...

Apple says it is working closely with Microsoft to fix an issue that prevents Outlook.com, Office 365, and Exchange 2016 account holders from sending or replying to emails using Apple's native Mail ...