If you are unable to or cannot insert Columns with right-click in an Excel spreadsheet, then read the following to set things right again.

Inserting a lot of columns or rows in Microsoft Excel is awkward and prone to mistakes. When you need to enter dozens or more columns, use this VBA procedure for ease and accuracy.

If you need to add a comma after the first word in each cell in Excel using the Replicate or Substitute function, read through this article.

Can Excel show column headers on every screen? Yes, in Excel it’s called Freezing Panes, which can be applied to columns or rows (or both), and it’s super-simple.

How to Insert a Combo Box in Excel 2010. Combo boxes are a useful way of entering data into an Excel spreadsheet, combining the flexibility of a text field with the convenience of a list box.