To remove them and clear up the disk space on the Mac, follow the procedure here. Useless language files and iOS backups are all junk files. If the Optimize Storage option is not enough for your Mac, you can also find and delete junk files and useless cache data hidden on your browser. Find and Delete Junk Files and Useless Data.Then, you can delete the unnecessary ones. Reduce Clutter: Click the Review Files button, and your Mac will sort out all the files.So, click the Turn On button, and the tool will empty the files in Trash for over 30 days. Empty Trash Automatically: Some of you may find that the largest files jammed on your Mac are the junk files in the Trash bin.Click the Manage button, and the Movies & TV shows you have watched and the old attachments in your emails will be deleted. Optimize Storage: Enabling this function prevents the files from piling up on your Mac.Store in iCloud: If you have iCloud+, you can store all the files, photos, and messages and delete the local ones to clear the disk space on the Mac for more storage.There are several options: Store in iCloud, Optimize Storage, Empty Trash Automatically, and Reduce Clutter. Then, click the Manage button and see the built-in tools for Mac space optimization. Click the About this Mac option and choose Storage on the new window to see your disk storage status. After starting your Mac, click the Apple logo on the desktop’s menu bar.

How to clear up space on macbook