You can insert or add Header and Footer in Excel spreadsheet using this tutorial. Insert page number, current date and time, etc.

Have you ever tried to drag the header columns in an Excel spreadsheet to make them fit the text? I have and just when I think I’ve got it right, a quick glimpse down the line of columns usually ...

You can add alt text descriptions in Excel to any kind of illustration, including photos, screenshots, shapes, 3D models, and Smart Art.