You can lock cells in Excel by heading into the program's "Protection" tab. There, you can set a password, and protect your ...

There are two simple ways to remove the password from a PDF file, one of which works no matter what software you have.

In the top menu of Excel select Data > Get Data > From File > From PDF. Browse your files and select the PDF with the table ...

Think you’ve got what it takes to crack the code? Watch as I tackle this tricky lock puzzle — can it be unlocked before time ...

If you use Excel 40 hours a week (and those are the weeks you are on vacation), welcome to the MrExcel channel. Home to 2,400 free Excel tutorials. Bill "MrExcel" Jelen is the author of 67 books about ...