Can not open itmz files

kai's Avatar


14 May, 2021 08:42 AM

on your Website ( you have a Video that shows how to work wit imtz Files from iThoughts.
When i try to open an imtz file, i get the errormessage: "The document "Zahnportal.itmz" could not be opened.
I have the pro Version Version 4.5.12 (104)

What can I do ;) THX

  1. 1 Posted by kai on 14 May, 2021 08:57 AM

    kai's Avatar

    Additionaly: The same happens when i save my iThoughts map as OPML

  2. Support Staff 2 Posted by Fletcher on 14 May, 2021 05:24 PM

    Fletcher's Avatar

    If you send me a file that won't open (actually, sending the ITMZ and
    OPML files would be helpful), I can take a look and see what is going on.


    Fletcher Penney

  3. 3 Posted by kai on 15 May, 2021 04:22 AM

    kai's Avatar

    pls. find attached the itmz and opml files.

  4. Support Staff 4 Posted by Fletcher on 16 May, 2021 06:11 PM

    Fletcher's Avatar

    They both open just fine for me.

    1. Are you sure that you have the purchased upgrade loaded? Help Menu => Purchase Upgrade => one or more items should show "Purchased" in the button on the right.

    2. What shows as kMDItemContentTypeTree and kMDItemContentType when you try mdls Zahnportal.itmz or mdls Zahnportal.opml in the Terminal?


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