A family of Microsoft spreadsheet software with tools for analyzing, charting, and communicating data.
Select the columns on both sides of the hidden range, then unhide them.
- Select the adjacent visible columns for the hidden columns. For columns F:P, select the visible columns immediately around them.
- Right-click the selected columns.
- Select Unhide.
Another option: double-click the double line between the two column headers where the hidden columns exist.
If the hidden range still does not appear, select the entire sheet first and try again:
- Press Ctrl+A.
- Go to Home > Format > Hide & Unhide > Unhide Columns.
References: