If you are using a space in your formula or an incorrect operator, for example, =SUM(A2 A3), Excel will return the #NULL error. To fix this issue, you should use the ...

You can avoid such hassles by regularly updating your anti-virus software and monitoring your hard disk drive. Common Ways to Repair Excel Files ...

Fix Excel Toolbar not working The Excel toolbar may not be working on your Windows 11/10 PC due to various reasons. One primary reason is a corrupt Excel toolbar file.