So, whenever you believe that the Time Machine stuck on preparing backup, it is recommended to wait for another 30 minutes and be sure about the issue.
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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?
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#Lacie backup preparing backup taking a long time how to#
Part 3: How to fix Time Machine Stuck on “Preparing Backup”.Part 2: Check Whether the Preparation Process is Stuck.Part 1: How Long Will Time Machine Preparing Backup Take?.