Microsoft Outlook is down across the US and other countries, leaving people unable to use Outlook as they return to work Monday morning. 

DownDetector, a site that monitors online outages, shows problems hit around 10:15 am ET and mainly impacts Microsoft’s emailing service.

Users are seeing black screens and an error message that reads: Service Unavailable. HTTP Error 503. The service is unavailable.’

More than 7,000 issue reports have been shared on DownDector. 

Microsoft Outlook is down across the US, leaving people unable to use Outlook as they return to work Monday morning

Microsoft Outlook is down across the US, leaving people unable to use Outlook as they return to work Monday morning

Outlook users have shared their frustrations on Twitter about the outage that could not come at a worse time.

‘Awesome, Microsoft Outlook went down. Happy freaking Monday,’ one Twitter user posted.

Mae Kellert tweeted: ‘Being a professor is great! …until Outlook breaks down in the middle of midterm day..’

DownDetector shows Outlook is hit the hardest, followed by the website and server connection. 

Nick Carey, who shared an issue report on DownDetector, said his Outlook service is coming in and out in Virginia. 

While another user in New York said, they could not use the website, but the email service is working on mobile.

Outlook users have shared their frustrations on Twitter about the outage that could not come at a worse time

Outlook users have shared their frustrations on Twitter about the outage that could not come at a worse time

Users are seeing black screens and an error message that reads: Service Unavailable. HTTP Error 503. The service is unavailable'

Users are seeing black screens and an error message that reads: Service Unavailable. HTTP Error 503. The service is unavailable’

This post first appeared on Dailymail.co.uk

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