To protect your documents in the Spreadsheet Editor:
- Tap the
Tools icon in the right corner of the top toolbar. - Tap the
File Encryption menu option. - Enable the Set Password switcher. Enter the required password and verify it.

Please note that the password cannot be restored. Please keep it in a safe place so as not to forget it.
- Tap the Apply button.
Next time you open this spreadsheet you will need to enter the password.

To change or delete the password in the Spreadsheet Editor:
- Tap the
Tools icon in the right corner of the top toolbar. - Tap the
File Encryption menu option. - Disable the Set Password switcher to delete the password.
- Enter and verify the new password to change it.
- Tap the Apply button.