After locking the contents of the excel table with a password, it will not be modified by others and you can protect your own content
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How to lock content in excel:
1. Hold down the ctrl key and select the content that needs to be modified one by one
2. Press ctrl 1 to modify the unit settings, and uncheck the lock option in the protection column
3. Right-click sheet1 in the lower left corner, and click Select the protected area and set the password
4. There will be a warning when you click the file content again
5. The way to cancel password protection is to right-click on sheet1 in the lower left corner and there will be an option to cancel protection. Select the password.
After that, you can continue other operations. .
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