Fixing TruePreview for Apple Mail 6.6

If you started mail before these two commands make sure to copy the plugin from the Bundle (Disbaled) folder back to the Bundle folder.

defaults write ~/Library/Mail/Bundles/TruePreview.mailbundle/Contents/Info SupportedPluginCompatibilityUUIDs -array-add DAFFB2B4-77BC-4C25-8CE1-2405E652D54B
defaults write ~/Library/Mail/Bundles/TruePreview.mailbundle/Contents/Info SupportedPluginCompatibilityUUIDs -array-add 2B98D2DD-000B-4521-83EB-7BFCB9B161C8
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7 Responses to Fixing TruePreview for Apple Mail 6.6

  1. Eugene says:

    How can i fix the same issue for 7.0 please?

    • hashier says:

      I don’t know yet. If you find a way would be awesome if you could tell me.

      • Eugene says:

        I think i know the way, but we need to know UUID of of and messenger. to write it to True.preview compatibility like in your post above

        • hashier says:

          Yes, that’s the way as explained in an earlier post. The problem is now how to find the new UUID. Under ML the UUID was always at the same place but this place doesn’t hold a UUID anymore.

          • Lars says:

            You can find the UUID of apple mail 7.0 under /Applications/

            But it doesen’t work if you just add the new uuid to the plugin. there must be something different.

          • hashier says:

            You need two UUID. One for Mail one for the Framework.

            defaults read /Applications/ PluginCompatibilityUUID
            defaults read /System/Library/Frameworks/Message.framework/Resources/Info.plist PluginCompatibilityUUID

            And the Framework file doesn’t provide a UUID anymore. When I have time I try to find the Framework UUID.

  2. luxck says:

    any news about this Problem?

    unfortunately does not work the following

    defaults find UUID | grep MailCompatibility
    defaults find UUID | grep MessageCompatibility

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