The Office 365 Fiddler Extension.

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Microsoft
The Office 365 Fiddler Extension is an Office 365 client application, server and services centric parser.
 
With this extension expect to see relevant information for troubleshooting brought front and center, driving your attention to what matters.

 

You can use this Fiddler extension to troubleshoot:

  • Client connectivity issues:
    • Authentication
    • Autodiscover
    • Network connectivity
  • Functionality in client applications not working as expected.
  • Performance testing -- How long did it take an Office 365 server to respond?

Download link: https://aka.ms/O365FiddlerExtension

 

Wiki: https://aka.ms/O365FiddlerExtensionWiki

 

Report any issues: https://aka.ms/O365FiddlerExtensionIssues

 

What does this look like?

 

Additional columns to highlight important data in each session collected in a trace:

 

AdditionalColumns.png

 

 

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