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Free up disc space on MacBook Pro

My MacBook Pro has a total of 500 GB and only 50 GB free. Can I move all the documents from MacBook Pro to an external hard drive and then delete docs on the laptop to free up hard drive space? And if so, how do I do it?

MacBook Pro 15″, macOS 11.6

Posted on Nov 18, 2021 5:34 AM

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Question marked as Top-ranking reply

Posted on Nov 19, 2021 6:30 PM

Two ways come to mind:


  1. If it is all individual files, attach a hard drive and simply drag and drop files there. Once you know they are ok and work, you can delete them off your internal. You can create folders on the external to organize.
  2. Get an external hard drive and turn on Time Machine (on your Mac); it will do backups automatically - that will back up everything including individual files. However, if you then delete them off the internal, the new backup will no longer include those.
  3. The space hogging files are usually photos, videos, movies, etc. You can move your entire Photos library to an external drive and then delete it off the internal. You can also drag over videos and movies.
  4. Before using an external drive, remember that hard drives do not need any software or drivers to function, so it is good practice to erase any new hard drive and format it for Mac (depending on your OS version). That way you start with a clean slate rather than having software on it that sometimes conflicts with your stuff.


If you need any detailed info on the above, post back. And, actually that came to more than 2 ways.....

5 replies
Question marked as Top-ranking reply

Nov 19, 2021 6:30 PM in response to wickerwoman

Two ways come to mind:


  1. If it is all individual files, attach a hard drive and simply drag and drop files there. Once you know they are ok and work, you can delete them off your internal. You can create folders on the external to organize.
  2. Get an external hard drive and turn on Time Machine (on your Mac); it will do backups automatically - that will back up everything including individual files. However, if you then delete them off the internal, the new backup will no longer include those.
  3. The space hogging files are usually photos, videos, movies, etc. You can move your entire Photos library to an external drive and then delete it off the internal. You can also drag over videos and movies.
  4. Before using an external drive, remember that hard drives do not need any software or drivers to function, so it is good practice to erase any new hard drive and format it for Mac (depending on your OS version). That way you start with a clean slate rather than having software on it that sometimes conflicts with your stuff.


If you need any detailed info on the above, post back. And, actually that came to more than 2 ways.....

Nov 19, 2021 5:39 PM in response to SnickZ.

Sorry, SnickZ, but you didn't understand my question at all. I don't need to know how to clean up the drive a bit by deleting things and emptying the trash, I need to MIGRATE many, many document files OFF my MacBook Pro entirely and put on an external drive. I don't want to delete these because they are important and documents that I've paid for either classes, books or paid articles, etc. but rather TRANSFER OFF the MBP to the external drive so that it makes a huge difference in the GB left on the MBP. I'm talking about using a 2T external drive and removing at least 300MB from the computer to the drive PERMANENTLY. That's what I need to know how/if it can be done. Thanks!

Nov 19, 2021 7:55 PM in response to babowa

Thank you Babowa, I think the dragging and dropping into the new external drive will be the way I go. And I already have a drive that I am backing up through Time Machine. But I want to set up a separate dedicated drive exclusively for the documents and perhaps photo library that I am actually removing from the computer and storing on the external drive. If I leave things the way they are with only 50 GB more storage on my computer, it won't be long at all and it will no longer work, period. It's a 2017 upgraded MBP that has all the previous MBP data on it before that one crashed and lost everything. Very helpful, even if you did go over two suggestions. Thanks.

Free up disc space on MacBook Pro

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