CheckBefore
Check a file

FREE XLSX SHARING CHECK

Check an Excel File Before Sending

Scan an Excel file locally before you send it externally.

Processed locally in your browserYour original stays unchanged. The file and filename are not uploaded for a standard scan.

Private scan workspace

Check a file before it leaves your hands.

Start with 2 free checks — no account needed.Original stays unchanged.

Processed locally
⌁ Your original stays on this device◌ No account needed for a free check

Choose a file or drop it here

SUPPORTED COVERAGE

What can be detected

  • Hidden data
  • Comments
  • Document properties

ONE LOCAL WORKSPACE

How it works

  1. SelectChoose a supported file from this device.
  2. UnderstandReview the evidence and the stated scan limits.
  3. CleanCreate a separate copy with only supported items removed.
  4. RescanCheck the latest copy again and review anything left unchanged.

HONEST BOUNDARIES

What CheckBefore does not do

    Check Excel Hidden Sheets Before SharingFind hidden and very hidden worksheets locally before you send, publish, or upload an Excel file.Check Excel for Hidden Data and MetadataCheck an Excel workbook locally for hidden sheets, hidden rows and columns, comments, author properties, links, connections, and embedded content.Remove Excel CommentsFind comments and notes that may remain in an Excel workbook.Excel External Link CheckerCheck an XLSX locally for detectable external workbook links, linked file paths, defined-name references, and connection records before sharing it.

    See all supported file checks on the CheckBefore homepage

    Check an Excel File Before Sending | CheckBefore