I have a client who, bullied by the incessant nag messages from Apple to
upgrade his iMac to Catalina, did so. Now he is experiencing random crashes and
wants to downgrade back to Mojave. Of course, he has no backup history.
I can save his current system off via Time Machine or clone, and then
reinitialize his iMac to Mojave, though I realize I run the risk of file
migration refusing to migrate in that direction. If that occurs, the best I
will be able to do is a whole-blood transfusion of his home folder, which at
best may leave a few facilities ajar.
It will be worse if Catalina made major format changes to any of the
centralized user data catalogs, the big three of which are Mail, iPhoto, and
iTunes.
Can someone who has installed Catalina tell me if any of those three apps
issued a "please wait while I reformat your database" message when they
upgraded?
--
Macs R We -- Personal Macintosh Service and Support
in the Wickenburg and far Northwest Valley Areas.
http://macsrwe.com
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