Check the Users folder on Macintosh HD for any shared files that you no longer need to share.If your Mac is set up for multiple users, remove users that you no longer want to have access to your Mac, or ask them to follow the steps in this article after logging in to their user account. Also check the Users folder on Macintosh HD for any undeleted data belonging to previously removed users.To delete emails that you've moved to the Bin, choose Mailbox > Erase Deleted Items. Delete unneeded emails in the Mail app. To delete junk mail, open Mail and choose Mailbox > Erase Junk Mail.Delete unneeded files in the Downloads folder. You can open the Downloads folder from the Dock or by choosing Go > Downloads from the menu bar in the Finder.Delete unneeded media, such as music, films or podcasts, which can use a lot of storage space.Remember that when you move a file to the Trash, its storage space doesn't become available until you empty the Trash. Then expand them when you need to use them again. If you don't want to delete certain files, you might be able to save space by compressing them. If your Mac is set up for multiple users, delete users that no longer need access to your Mac. Or ask them to follow the steps in this article after logging in to their user account. Also check the Users folder on Macintosh HD for any undeleted data belonging to deleted users.If you use your Mac to back up your iPhone or iPad, you can delete old backups.Also choose Mailbox > Erase Deleted Items. If you use the Mail app for your email, choose Mailbox > Erase Junk Mail from the menu bar in Mail.Delete files in your Downloads folder. Open this folder from the Dock, or by choosing Go > Downloads from the menu bar in the Finder.Delete music, movies, podcasts, or other media, especially if it's media that you can stream or download again as needed.You can also delete files that you no longer need. If you have another storage device, such as an external drive connected to your Mac, you can move files to that device. Media files such as photos and videos can use a lot of storage space, so you can take steps such as these:

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