Protect Excel Workbook or Worksheet

Password Protect Your Excel Files, Workbooks, and Worksheets

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Aspose.Cells for .NET Aspose.Cells Protect Excel

Secure your sheets and shield your entire Excel file with confidence. Dive into the steps to password-protect both Excel files and spreadsheets, guaranteeing the confidentiality of your valuable data. Unearth effective strategies to reinforce your Excel sheets against unauthorized access.
  • Protect XLS, XLSX, XLSM, XLTX, XLTM, XLSB, ODS, NUMBERS
  • Protect Excel from any device: Windows, Mac, Linux, Android and iOS.
  • Protect workbook structure: Prevent unnecessary changes to the workbook structure, such as adding worksheets.
  • Protect the current worksheet: Controls what types of changes users can make to the current worksheet.
  • For added security, you can also set a custom password to give your workbook or worksheet an extra layer of encryption.

How to Protect Excel files

  • Upload your Excel files to protect.
  • Select the level of protection.
  • Type the protection password (optional).
  • Press the "PROTECT" button.
  • Download the protected file now or send the download link to email.

Note that file will be deleted from our servers after 24 hours and download links will stop working after this time period.

Fast and Easy Protection

Fast and Easy Protection

Upload your file, select the protection level, type the password (optional), and click the "PROTECT" button to obtain the encrypted file after the operation is successful.

Protect from Anywhere

Protect from Anywhere

Works from all platforms including Windows, Mac, Android and iOS. All files are processed on our servers. No plugins or software installation required for you.

Protection Quality

Protection Quality

Powered by Aspose.Cells . All files are processed using Aspose APIs, which are being used by many Fortune 100 companies across 114 countries.

Other Supported Protections

You can also protect other Excel file formats. Please see the list below.

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