Add AES-256 password protection to Microsoft Word documents. The protected DOCX opens only with your password in Word, Google Docs, and LibreOffice.
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Password Protect Word Document
Encrypt DOCX files with AES-256 — compatible with Microsoft Word & Google Docs
Select Word Document
Drop DOCX, DOC, ODT, RTF or TXT
Microsoft Word, LibreOffice, and text documents
Password
Enter a password
The document is wrapped in an AES-256 encrypted .vault container. To share with Word users directly, use our Encrypt Text tool or protect the document inside Word before exporting.
For a native .docx password, open in Microsoft Word → File → Info → Protect Document → Encrypt with Password.
Encrypting...
FAQ
Frequently Asked Questions
The output .vault file uses our AES-256 container format, which can be decrypted at encryptfiles.online/decrypt. For a native DOCX password that opens directly in Word, use Word's built-in: File > Info > Protect Document > Encrypt with Password.
DOCX, DOC, ODT, RTF, and TXT files are all accepted.
Share the .vault file and tell the recipient to go to encryptfiles.online/decrypt with your password. Send the password via a different channel (e.g., SMS, Signal).
Yes. AES-256-GCM with PBKDF2 (150,000 iterations) is the same standard used by government and financial institutions worldwide.