WPS Office

Free All-in-One Office Suite with PDF Editor


Edit PDFs like Word


Convert, merge, split, scan, and sign PDFs


More than PDF: Use Word, Excel, and PPT for FREE

Free download

Windows • MacOS • Linux • iOS • Android


How to lock a PDF file from editing?

January 11, 2022

1. Open your document in WPS PDF.

2. Click the Protect tab > Encrypt.

3. Check Set the password of editing and extracting, which protects this document from being edited and extracted. Then input the password, confirm the password and select the functions to encrypt as needed. Then click Confirm.

4. When someone need to edit it, he or she needs to input the password first.

To be office specialists, you could learn how to use WPS Office online in WPS Academy.

15 years of office industry experience, tech lover and copywriter. Follow me for product reviews, comparisons, and recommendations for new apps and software.