To keep someone from making changes to cell contents. It is a good idea to protect all formulas, so a user does not accidentally delete or change the formula contents. If you like, you also can put a password on the protection to prevent unauthorized access or changes.
Go to review menu and select 'Protect sheet' option.
Yes, you can protect the entire workbook or sheet in different levels according to your need - for example you can protect from changing the data in the workbook and only by entering a password in can be unlock it. To do so {in excel 2010} go to the Review menu and choose Protect workbook or Protect sheet
to select cells
Their original purpose was to protect their community
Excel is a spreadsheet program. Oracle is for databases. Excel has some databasing capabilities, but it is not its main purpose.
The purpose of a jaguar is to protect the killed animals from birds or insects. The other purpose is to protect crops from large animals like deer.
To protect workers
to protect information
The purpose of a sea wall is to protect the Human HabitationJonathan
One purpose of creating the working mens party was to protect the rights of skilled workers.
To stop other people changing the contents.
To protect your body from injury.