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  1. #1
    Quicktime Player 7 & High Sierra compatibility?
    Backlighting's Avatar
    Member Since
    Oct 05, 2012
    Posts
    193
    Your Mac's Specs
    Mac Mini: OSX 10.13.5 High Sierra, 8GB Ram, Samsung Series 5 SC570 monitor, Seagate external drive.
    Quicktime Player 7 & High Sierra compatibility?
    If I upgrade to High Sierra will Quicktime Player 7 still be functional? I use this program a lot with Mavericks.
    live long & prosper...

  2. #2
    Quicktime Player 7 & High Sierra compatibility?
    chscag's Avatar
    Member Since
    Jan 23, 2008
    Location
    Keller, Texas
    Posts
    57,027
    Your Mac's Specs
    2017 27" iMac, 10.5" iPad Pro, iPhone 6s+, iPhone 7+, Numerous iPods, Mojave
    Yes, it will still function. I have both QT 7 and 10 and both work in High Sierra. However, QT 7 will not work in the next version of macOS as it's a 32 bit app.

  3. #3
    Quicktime Player 7 & High Sierra compatibility?
    Backlighting's Avatar
    Member Since
    Oct 05, 2012
    Posts
    193
    Your Mac's Specs
    Mac Mini: OSX 10.13.5 High Sierra, 8GB Ram, Samsung Series 5 SC570 monitor, Seagate external drive.
    Quote Originally Posted by chscag View Post
    Yes, it will still function. I have both QT 7 and 10 and both work in High Sierra. However, QT 7 will not work in the next version of macOS as it's a 32 bit app.
    Thanks much for the info.
    live long & prosper...

  4. #4
    Regarding when the OS will finally stop working with 32-bit apps, this article from Sep 2018 says it will be after Mojave, so there's a while yet to go!

    I have both 7.6.6 (Pro, registered) and 10.4 versions of QT. Used it in Sierra for looping over selected passages in audio files. Now that I've upgraded to High Sierra, the app launches and all features work, but no sound comes out. It seems to be unable to access the output device.

    Does anyone else have this problem?
    Last edited by johngordonwhite; 10-03-2018 at 04:08 PM.

  5. #5
    Quicktime Player 7 & High Sierra compatibility?
    chscag's Avatar
    Member Since
    Jan 23, 2008
    Location
    Keller, Texas
    Posts
    57,027
    Your Mac's Specs
    2017 27" iMac, 10.5" iPad Pro, iPhone 6s+, iPhone 7+, Numerous iPods, Mojave
    The original thread is dated before Apple announced that Mojave would be the last version of macOS to support 32 bit apps. Apple gave a reprieve to developers of 32 bit apps to give them time to recompile them for 64 bit.

  6. #6
    Sorry, @chscag I was aware that the article came after you wrote to this thread, and didn't mean to imply that you'd missed the memo.

    I resolved my own issue with QTP7 not playing audio files. I had been using it to play copies of files from my iTunes library — either m4p's or m4a's. Some of those I had saved as mov's. It so happened that the ones I tested were either m4p's or mov's exported from an m4p. The difference between protected and unprotected didn't matter to the app when it was running under Sierra, but now, under High Sierra, it made a difference.

    Odd, but resolved.

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