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Microsoft 365: Some users may be unable to send or receive Exchange Online email through the native macOS mail app

microsoftonline.com
September 2026 11 Minor incident

Title: Some users are unable to send or receive Exchange Online email through the native iOS mail app User impact: Users are unable to send or recieve Exchange Online email through the native iOS mail app. Current status: We're investigating a potential issue with Exchange Online and checking for impact to your organization. We'll provide an update within 60 minutes.

Started

01:00 UTC

Duration

Lasted 3h 15m

Source

IsDown

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Affected components: Exchange Online

What happened?

Title: Some users are unable to send or receive Exchange Online email through the native iOS mail app User impact: Users are unable to send or recieve Exchange Online email through the native iOS mail app. Current status: We're investigating a potential issue with Exchange Online and checking for impact to your organization. We'll provide an update within 60 minutes.

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