Configure Your Mac To Empty Trash After 30 Days
Would you like your Mac’s Trash to automatically delete files after they’ve been in the Trash for 30 days? If so, Apple recently added this feature to macOS Sierra (aka OS X 10.12).
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Use Secure Empty Trash to Overwrite Your Files
When you put a file into Trash and then empty the Trash, you aren’t really deleting or destroying that file. If you really want to destroy that file, you should use Secure Empty Trash, which will overwrite the file. To do this, put a file into Trash, then click on the Finder menu and select Secure … Read more