XLSX recovery route

Decrypt XLSX Vault Files Locally

Use this page when the vault package originally contained an XLS or XLSX workbook and you want the original spreadsheet restored locally. This route is best when you know the vault originally wrapped Excel workbooks.

Open the decrypt workspace Open XLSX Encrypt
Route
/xlsx/decrypt
Open the workspace, protect the file, and download the result locally.
Accepted files
.vault packages
All decrypt routes accept .vault packages.
Output
Excel workbook
Cryptvert restores the original file on your device after decryption.

Why teams protect Excel workbooks

People search for this route when they want to encrypt XLSX files online without moving the workbook through a cloud office upload step.

When Cryptvert is better than native protection

Native workbook passwords are tied to office software. Cryptvert is better when you want a browser-based handoff that wraps the whole spreadsheet before it moves outside your control.

Best for

  • Forecasts, budgets, and pricing sheets sent to clients or partners
  • Operational workbooks shared over email or ticketing systems
  • Spreadsheet archives that need a password stored separately from the file

Not for

  • Formula auditing or workbook editing inside the encrypted package
  • Native Excel permission management for collaborative teams
  • Sheet-level protection or cell-locking workflows

Common use cases

  • Vault financial models before sharing them with leadership
  • Protect inventory sheets during vendor handoffs
  • Encrypt workbook exports before storing them in shared folders

Mistakes to avoid

  • Assuming the route edits workbook permissions instead of wrapping the file
  • Using the wrong route for CSV-only exports
  • Forgetting that .xls files are accepted alongside .xlsx

Quick checklist

  • Confirm the workbook is an .xls or .xlsx file
  • Use a unique passphrase for the vault
  • Download the .vault output before closing the tab
  • Keep the password separate from the workbook delivery path

Before you restore

  • Check that you are opening the correct .vault package before decrypting.
  • Use the exact passphrase that was set during encryption.
  • Restore the file somewhere you can review it before sharing it onward.

Password reminders

  • If the password is even slightly different, decryption will fail.
  • Ask the sender to confirm the exact passphrase if you are unsure.
  • Keep a verified backup of important vaults before deleting anything.

What to expect after download

  • The original file is restored back onto your device after decryption.
  • Review the restored file before deleting the encrypted copy.
  • Remove the vault only after you confirm the recovered file opens correctly.

Visible FAQ

What does the XLSX decrypt route actually do?

Cryptvert decrypts a .vault package that originally contained a Excel workbook and restores that file locally on your device.

Can this page encrypt both XLS and XLSX files?

Yes. This route accepts both legacy XLS and modern XLSX spreadsheet files.

Does Cryptvert change formulas, tabs, or formatting?

No. The original workbook is wrapped as-is, so formulas, tabs, and formatting stay with the source file.

What comes back after decryption?

You get the original Excel workbook back, ready to open in the same spreadsheet tools you used before encryption.