Ask A Librarian: Hard Drive Cleanup for Macs?

I am looking for someone who can help me find and clear out excess data on one of my internal drives to free up space…

[While I am happy consulting, a lot of times if people know how to download, install and run software, they may not need my help. Someone emailed to ask about cleaning up his Mac’s hard drive. Here is my advice.]

The tool I usually use for identifying “What is taking up all the space?” is a free tool called Disk Inventory X which you can get at this link (click the upper...