The hot topic hitting the tech news cycle this week has been the malware called CVE-2017-0199, a zero-day security vulnerability disguised as a Microsoft Word attachment. This bug is particularly dangerous because you don’t need to enable macros for it to activate.

Here are some great tips on how to quickly do things within Excel:

Add and delete cells, rows and columns

Ctrl+[Plus] — Add a cell, row, or column at the insertion point (depending on what is selected).
Control+[Minus] — Delete a cell, row, or column at the insertion point.