Describes the cause and action for error messages.
does not let me merge cells
Excel - How to Merge Cells
Merge and unmerge cells - Office Support
How to merge cells in a range formatted as table in Excel? - ExtendOffice
How to allow merge cells within protected worksheet in Excel?
Excel - How do I merge cells within a range that is formatted as a ...
how to enable merge and center button in excel - YouTube
Can't merge text cells - Microsoft Tech Community - 183511
Merge and combine cells in Excel without losing data - Ablebits.com