The mysterious “Other” category in your Mac storage can be eating up a chunk of your storage space, and while some of it may be necessary, you can delete a lot of it if you run out of room. Here's how to manage “Other” storage in macOS Sierra (10.13. 2) and later.

To see how much "Other" storage you have, you'll need to check your Mac's System Storage. Here's where you'll find it.

Click the Apple menu in the upper left corner of an application.

Select About This Mac.