Answer:
False.
Step-by-step explanation:
Spell check can be done on all sheets at once on a multiple-sheet workbook.
The following steps are required:
1. Right click on any sheet at the bottom of the page a menu comes up. Click on - Select All Sheets.
2. In the top menu click on - Review and then Spelling.
3. There is a popup asking if you want to begin spell check at beginning of the page. Click - Yes.
4. In the popup that is displayed, check the spellings and make necessary changes.
5. After all changes are made, there is a popup notifying Spell Checking has been completed.
6. Right click on any sheet at the bottom of the page a menu comes up. Click - Ungroup Sheets.