There are several reasons why it may be necessary to merge cells in a table:
To create larger cells for more complex or detailed information: Merging cells can help to create larger cells that can accommodate more information, making the table more organized and readable.
To create a more visually appealing table: Merging cells can be used to create a more visually appealing table by making it easier to align and format text and data.
To create a title for a group of cells: Merging cells can be used to create a title or heading for a group of cells that would otherwise not have one.
To create a subheadings: Merging cells can be used to create subheadings for a specific group of cells, making the table more organized and readable.
To create summary or total cells: Merging cells can be used to create a summary or total cell for a group of cells, making it easier to understand and analyze the data in the table.