Fix Slow Time Machine Backups on a Mac
The amount of time it takes to complete a Time Machine backup depends on a variety of things, like the amount of data being backed up, the destination drive speed, the speed of the internet connection if the backup is going to a Time Capsule, whether it’s the initial backup or a delta backup of changes made, amongst a variety of other factors. You’ll typically get an idea of how long a Time Machine backup should take to complete after it has ran a few times on a Mac, so if you discover suddenly that the Time Machine backup is taking an extremely long time or is backing up unusually slow, follow the troubleshooting steps below to speed things up.