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  1.    29 Jun 2017 #1
    Join Date : Oct 2015
    Posts : 71
    Windows 10

    How to assign Outlook as default handler for .ics files?


    This Windows 10 is getting crappier and crappier!

    Apparently due to some recent Windows 10 update the default application to handle .ics (calendar) files is suddenly set to the Windows 10 Calendar app. Since I never use that crappy app I wanted to assign this back to Outlook 2016, which I am using as my day-to-day PIM. But when I try to assign the default for this file type back to Outlook the default application dialog only displays the options "Calendar" and "Search the store for an application". There used to be a link "choose another application" here, that would allow to assign the file type to any locally installed application, but that link is gone! :-O
    So, how to I re-assign this .ics file type back to Outlook 2016???
      My ComputerSystem Spec
  2.    29 Jun 2017 #2
    Join Date : Jan 2015
    UK, Midlands
    Posts : 10,992
    Win 10 Pro (1703)

    How do you assign an association? Should be the same as ever... please advise specifically if not:

    Choose Default Apps in Windows 10 Windows 10 Apps Features Tutorials
      My ComputerSystem Spec
  3.    29 Jun 2017 #3
    Join Date : Oct 2015
    Posts : 71
    Windows 10
    Thread Starter

    No - that's my point. The option "Look for another app on this PC" is missing!
    I can only choose that dreaded Calendar app or "Look for an app in the store", neither of which fits my bill.
      My ComputerSystem Spec
  4.    29 Jun 2017 #4
    Join Date : Jan 2015
    UK, Midlands
    Posts : 10,992
    Win 10 Pro (1703)

    Have you tried the other methods in that tutorial, and could you post a screenshot of what you're seeing please?
    Which ones have you tried?

    Which Win 10 build are you using?
    (Windows key + R, winver)
    Thanks.
      My ComputerSystem Spec
  5.    29 Jun 2017 #5
    Join Date : Oct 2015
    Posts : 71
    Windows 10
    Thread Starter

    OK - I have meanwhile uninstalled that Calendar app. Now the entry in the file type list reads "Choose a default" but when I click that I now ONLY have "Look for an app in the store". This is such a stupid system!
    Why was this file type ever re-assigned in the first place? This worked perfectly? Why does MS try to shove these damned Metro apps down our throat???
      My ComputerSystem Spec
  6.    29 Jun 2017 #6
    Join Date : Jan 2015
    UK, Midlands
    Posts : 10,992
    Win 10 Pro (1703)

    Click image for larger version. 

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    Example, from Control Panel, Default Programs, using the Anniversary build.


    Please post your equivalent and advise build. Thanks.
      My ComputerSystem Spec
  7.    29 Jun 2017 #7
    Join Date : Oct 2015
    Posts : 71
    Windows 10
    Thread Starter

    I am running Window 10 Pro v1703 (Build 15063.447) with Office Professional Plus 2016.
    Until a couple of weeks ago downloading a .ics file from a webpage worked perfectly - it opened outlook and entered the calendar entry into the calendar and I only had to confirm and save it.

    Since a week or so, doing the same suddenly opened this Calendar app. After I now uninstalled Calendar I now get:

    Click image for larger version. 

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    Click image for larger version. 

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    Click image for larger version. 

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    Click image for larger version. 

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    stuck...


    These are the two approaches I tried to fix this:

    1st approach:
    Click image for larger version. 

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    stuck again.


    2nd approach:
    Click image for larger version. 

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    Click image for larger version. 

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    same as above -stuck again...
    Click image for larger version. 

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ID:	141730
      My ComputerSystem Spec
  8.    29 Jun 2017 #8
    Join Date : Jan 2015
    UK, Midlands
    Posts : 10,992
    Win 10 Pro (1703)

    [SOLVED] File type .ics won't open in Outlook 2016 - Spiceworks

    - see the last post perhaps.

    I had a user with a similar issue. Outlook 2016 would not open .ics files by default. The user was getting Windows Calendar opening the file. Attempting to associate .ics files with Outlook 2016 wasn't available.

    I performed an update of Outlook 2016 and when that didn't make any change, I did an online repair of Office 365.
    After the online repair completed, I was then able to associate .ics files with Outlook 2016 (it showed up as "new" in the association dialog box)
    Another (easier) possibility might be to try this for Outlook (I don't have it installed): "Set this program as default"
    Click image for larger version. 

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      My ComputerSystem Spec
  9.    29 Jun 2017 #9
    Join Date : Oct 2015
    Posts : 71
    Windows 10
    Thread Starter

    I have passed by that option as well, but unfortunately Outlook s not listed in this view. :-(

    What finally did the trick was that I hammered this association into the registry.
    The key "Computer\HKEY_CLASSES_ROOT\.ics" had the value "ics_auto_file" and so I changed the value of key "Computer\HKEY_CLASSES_ROOT\ics_auto_file\shell\open\command" to read:
    Code:
    "C:\Program Files (x86)\Microsoft Office\root\Office16\Outlook.exe" /ical "%1"
    The /cal option is a flag to tell Outlook to open the argument as an ics or ical file.

    Now things are back to normal, but in a decent OS such registry hacks definitely should not be necessary!
      My ComputerSystem Spec
  10.    30 Jun 2017 #10
    Join Date : Jan 2015
    UK, Midlands
    Posts : 10,992
    Win 10 Pro (1703)

    Glad you solved it. Not sure whether blaming the OS or the implementation of applications is appropriate here.. Clearly the issue with Outlook has been previously experienced (first link in my last).
      My ComputerSystem Spec

 
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