Free online tool

Protect workbook online - Spreadsheets

Protects sheets and structure. Process XLS, XLSX, ODS online and download the result without changing the original.

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Drop your files here or click to select them from your device Select files Accepted formats: XLS, XLSX, ODS Up to 1 file, 20 MB per file

Selected files

0

How to configure the result

Each option controls a specific part of processing. Keep defaults when you do not need to control that aspect.

Specifies pages, sheets, slides, rows or columns affected by the action.
Configures protection and permissions. Keep passwords because the system cannot recover them.
Configures protection and permissions. Keep passwords because the system cannot recover them.
Private, temporary processingFiles are deleted automatically after 60 minutes.

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Download the result before the retention period ends.

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Spreadsheets

What Protect workbook does

Protects sheets and structure. The tool validates the selected files and applies only the requested operation and settings. The operation applies controlled changes to content, security, metadata or presentation.

Compatibility and limits

Input formats
XLS, XLSX, ODS
Results
XLSX
Number of files
Minimum 1, maximum 1
Maximum total size
24 MB
FAQ

Frequently asked questions

The original stays unchanged, but the result may contain permanent changes. Keep the original until verified.

Input supports XLS, XLSX, ODS and can produce XLSX. The selector rejects incompatible extensions before processing.

No. A new result is created and the uploaded file remains unchanged during temporary processing.
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