if i back up to the external hard drive can i delete files on my mac book pro?
MacBook Pro, OS X El Capitan (10.11.6)
yes, as long as they don't get overwritten if TM runs out of backup storage.
If you have an additional HD it's a more practical way of archiving storage. Backup should not be used for archives, it should be used for crisis.
No. Time machine keeps older backups - up to a point. Because it backs up every hour, it needs a lot of space, so when it gets close to filling up the drive, it will delete the oldest backup to make room for a newer one.
If you want to keep your Photos safe, copy them to another drive (and then back up that one too); then check to make sure they're all there and working and then you can delete them from your machine. You should always have 2 backups of important things to be safe.
if i back up to time machine can i delete my files or photos on my mac
