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Set Outlook 365 to default mail app

  • June 18, 2025
  • 4 replies
  • 503 views
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Does anyone has a way to setup MS Outlook 365 as default mail app?

If you want to setup it manually you have to do it in the Mac mail app, although you never used it.

I have to send out something to the organization with an mailto: link and I do not want all people calling me to ask why Mail is opening instead of Outlook.

Additionally it would be nice to set default programs via config profile in Jamf pro.

Thank you for your help.

    4 replies

    Corey_Nechkash
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    Easiest way to achieve this is to use the MailToOutlook application. It was previously hosted on MacAdmins.software but that site is down. Most of the content has been migrated to MOFA (Microsoft Overview Feed for Apple). MOFA 

    Here's the page that contains the MailToOutlook v2.1 package (Office-Reset.com_MailToOutlook_2.1.pkg). It should be the first package listed on the page: https://github.com/cocopuff2u/MOFA/tree/main/office_reset_tools/office_reset_archived/packages 

    Just push this package install via Jamf and the machines will default to using Outlook instead of the Mail client. I've been using this for about 4 years and have not had any issues. 

    mvu
    alexduta
    howie_isaacks
    mvu
    Forum|alt.badge.img+20
    • mvu
    • Jamf Heroes
    • June 18, 2025

    Easiest way to achieve this is to use the MailToOutlook application. It was previously hosted on MacAdmins.software but that site is down. Most of the content has been migrated to MOFA (Microsoft Overview Feed for Apple). MOFA 

    Here's the page that contains the MailToOutlook v2.1 package (Office-Reset.com_MailToOutlook_2.1.pkg). It should be the first package listed on the page: https://github.com/cocopuff2u/MOFA/tree/main/office_reset_tools/office_reset_archived/packages 

    Just push this package install via Jamf and the machines will default to using Outlook instead of the Mail client. I've been using this for about 4 years and have not had any issues. 


    Thank you.

    Corey_Nechkash
    T
    Forum|alt.badge.img+19
    • Tribruin
    • Honored Contributor
    • June 18, 2025

    You can also look at using this tool:

    New tool updated: utiluti v1.1 – Scripting OS X

    Jordy-Thery
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    • stadi
    • New Contributor
    • October 1, 2025

    I tried running this Office-Reset.com_MailToOutlook_2.1 application in my jamf managed test machine manually. I see it did not reflect the outlook mail under the Share options dropdown for the files. before running this tool there used to be the Apple mail app. Now that is missing and the MS Outlook do not reflect there too.  

    Am I missing anything?

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