Excel still trips over dates, ghost links, and undo history. These six fixes would save hours for everyday users.

If Excel is not recognizing functions after reboot, change calculation settings, disable Show Formula, run Excel ...

If Word, Excel, PowerPoint automatically reset settings on exit, follow these instructions e.g. check folder and Reigtsry ...

Learn the difference between Excel COUNT and COUNTA, plus TEXTBEFORE and TEXTAFTER tricks, so you clean text and totals with ...