Secure Spreadsheet Document For Free

At best, password-encrypted Excel sheets are only protected at rest, not while opened. At worst, it's not encrypted and/or an adversary can use one of several documented MS office password recovery attacks.

Encrypt documents with a password Note: In Excel, select Protect Workbook. In PowerPoint, select Protect Presentation. Enter a password, and select OK. Re-enter the password, and select OK.

How to protect your Excel file with a password | Microsoft - YouTube YouTube Start of suggested clip End of suggested clip And select ok make sure your password is memorable because there is no way to open the file if theMoreAnd select ok make sure your password is memorable because there is no way to open the file if the password is lost confirm the password. And select ok enter the password the next time you open the.

On the Review tab, click Protect Sheet. In the Allow all users of this worksheet to list, choose the elements that you want users to be able to change. Moving the pointer to cells for which the Locked check box is selected on the Protection tab of the Format Cells dialog box.

Protect a sheet or range Open a spreadsheet in Google Sheets. Click Data. Protect sheets and ranges. ... Click Add a sheet or range or click an existing protection to edit it. To protect a range, click Range. To protect a sheet, click Sheet. ... Click Set permissions or Change permissions. Choose how you want to limit editing:

Protect a sheet Select Review > Manage Protection. To turn on protection, in the Manage Protection task pane, select Protect sheet. ... By default, the entire sheet is locked and protected. ... Optionally, to require a password to edit a range, select Range password, enter and confirm the password, and then select Save.

Select File > Info. Select the Protect Workbook box and choose Encrypt with Password. Enter a password in the Password box, and then select OK. Confirm the password in the Reenter Password box, and then select OK.