Part 2: Check Whether the Preparation Process is Stuckīy following the below-mentioned topics, you can easily see if the preparation of backup is stuck. If none of the above is the case, Time Machine preparing backup shouldn’t take that long.
Due to following reasons, however, this process may take somewhat longer than usual. However, in general, Time Machine preparing backup doesn’t take that long. The duration Time Machine takes to backup your Mac depends on a couple of aspects: the amount of disk space and the frequency of the backup. Part 1: How Long Will Time Machine Preparing Backup Take?
