“What do you mean there’s insufficient space on my multi-terabyte disk?” If you’ve ever shouted that at your computer, first, switch to decaf; and second ...

To organize files and folders on your disk, you may choose to have the Finder calculate the size of folders on your disk. This can be done by either getting info on a particular folder, or by going to ...

Use Preview: Open the PDF in Preview, click File > Export, select “Reduce File Size” under Quartz Filter, and save. Use ColorSync Utility: Open the PDF in ColorSync Utility, click File > Export, ...