File Protection Guides

Learn how to password protect a PDF, ZIP archive, Excel spreadsheet, or large video file. These practical guides explain the steps, file-handling options, and how FileLocker processes protected data in your browser.

How to Password Protect a PDF File

Learn how to protect PDF documents in your browser and create a FileLocker .vault file.

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How to Password Protect a ZIP File

Learn how to password protect a ZIP file using 7-Zip, Windows, macOS, or FileLocker.

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How to Password Protect an Excel File

Protect Excel spreadsheets using Microsoft Excel's built-in encryption or FileLocker.

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How to Password Protect Large Video Files

Learn how FileLocker processes large video files in your browser without server uploads.

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Ready to Password Protect a File or Folder?

Use FileLocker to password protect a file or an entire folder directly in your browser, then use the unlock tool when you need to open a protected .vault file.

Password Protect a FilePassword Protect a FolderOpen a Protected File