Outlook.com Outage Causing Outlook To Not Open

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We recently were alerted to an issue with Outlook.com and the Outlook application, preventing users from being able to load the Outlook software.

At this time it appears that both mobile and web based Outlook access remain intact and unaffected.

The Fix

We are currently using the below method to roll back the latest Office Suite Update which appears to break Outlook software.

  • Open Windows Search.
  • Type ‘Command Prompt’ and run it with administrator privilege.
  • In the command line, simply type cd “\Program Files\Common Files\microsoft shared\ClickToRun”
  • Press enter and Command Prompt will open “ClickToRun” folder of Office.
  • Type officec2rclient.exe /update user updatetoversion=16.0.12827.20470 and press enter.
  • Close Command Prompt.

The Issue

Title: Users unable to access Outlook.com

User Impact: Affected users may be unable to access email or service features through Outlook.com

More info: Our analysis indicates that Outlook on the web and mobile clients are unaffected. Users may be able to leverage those protocols as an alternative means to access email and service features while we remediate this problem.

Current status: We’ve identified the probable cause of the issue and are applying fixes. We’ve confirmed that our fixes are effective and users will experience service restoration as our solution reaches their respective environments; however, deployment to all affected users may take several hours to complete.

Next update by: Wednesday, July 15, 2020, at 7:30 PM UTC

Title: Users unable to access Outlook.com

User Impact: Affected users may be unable to access email or service features through Outlook.com

More info: Our analysis indicates that Outlook on the web and mobile clients are unaffected. Users may be able to leverage those protocols as an alternative means to access email and service features while we remediate this problem.

Current status: Our initial review of the available data indicates that recently deployed updates are the likely source of the problem. We’re performing an analysis of all recent service updates to isolate the underlying cause of the problem and to determine the most expedient means to restore service.

Next update by: Wednesday, July 15, 2020, at 6:30 PM UTC

Title: Users unable to access Outlook.com

User Impact: Affected users may be unable to access email or service features through Outlook.com

More info: Our analysis indicates that Outlook on the web and mobile clients are unaffected. Users may be able to leverage those protocols as an alternative means to access email and service features while we remediate this problem.

Current status: We’re analyzing the available data to isolate the source of the problem.

Next update by: Wednesday, July 15, 2020, at 5:30 PM UTC

Title: Users unable to access Outlook.com

User Impact: Affected users may be unable to access email or service features through Outlook.com

Current status: We’re investigating a potential issue that may be preventing users from accessing email or service features through Outlook.com. We’ll provide an update in 30 minutes.

Data gathered from https://portal.office.com/servicestatus

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