Build more efficient spreadsheets by using the dollar sign to lock specific rows, columns, or permanent addresses when referencing cells.

Formulas are one of the most important components of an Excel sheet and as such, deserve–warrant–protection. You don’t want users accidentally changing formulas and impacting the purpose of your work.

Excel isn't hard, just learn the right tricks early enough.

Excel automations cover auto-updating charts, deadline flags, and smart links; Ctrl+T table charts expand as new rows appear.