MailtOWA: Mailto O365 Webmail / OutlookWebApp - Chrome Web Store
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MailtOWA: Mailto O365 Webmail / OutlookWebApp

14 ratings

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Mailto links open Microsoft Office 365 Webmail / Outlook Web Application Compose by default

Updated 01-2021: Better support for Mac OS, support for Microsoft Live ... the missing bit of functionality that Microsoft should have provided? With the MailtOWA extension installed, mailto: links will automatically open O365 Webmail / Outlook Web Application (OWA) / Outlook Live by default. That's it. Nothing fancy. No ads or any other nonsense. ... Built to satisfy my own needs, released for free because other folks seem to have the same problem. Enjoy! If you like it, leave a review. I need more internet points! A free extension by i❤️.ws Emoji Domains Source code:

3.8 out of 514 ratings

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Rob PenfoldDec 9, 2023

Very useful. Now when open email links on the web, I can do it via my web outlook rather than the Outlook app which is always slow etc

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James KurtzAug 29, 2023

Does the job and nothing else. Perfect.

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Sync AccountMay 1, 2023

Doesn´t work


  • Version
  • Updated
    January 8, 2021
  • Size
  • Languages
    English (United States)
  • Developer
    Domain Research Group
    10429 E Pine Valley Dr Scottsdale, AZ 85255 US
  • Trader
    This developer has identified itself as a trader per the definition from the European Union.


The developer has disclosed that it will not collect or use your data.

This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes


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