What is it ?

Excel allows you to easily hide columns or rows in a worksheet. Once a column is hidden, it will not show onscreen or print. The column is not deleted; its width is simply reduced to zero (0).

How do i do it ?

To hide a column:
1. Right click the column header that you want to hide.
2. Click Hide from the pop-up menu.
The column is hidden.
Adapt the above method to hide a row
To unhide a column:
1. Select the columns on either side of those that are hidden.
2. Right click a selected column header, then click Unhide.
The column is unhidden.
Warning – Do not use the hide method as a means of securing confidential information. All hidden rows and columns can be easily unhidden by anyone who has access to the spreadsheet. To secure confidential
information, use  security internally. If sending externally, hide the appropriate rows or columns then convert the sheet to a PDF, ensuring password protection is applied preventing copying, extraction and
changes.

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