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PROTECT

Protect DOCX file online using password

Encrypt DOCX document – Unlimitted files

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OVERVIEW

Free online DOCX files Protection app

Our free DOCX Protection app allows you to protect several DOCX files online using password. Open DOCX or any other supported file formats. No third-party software installation is required. Web-based DOCX password protection application is fast, robust, easy-to-use and absolutely free.

Protect multi-format files

Conveniently protect your multi-format documents including DOC, PDF and DOCX and many more.

Quick protection operation

Lightning fast protect operation for your selected documents.

Lock and Secure Documents

Using our Protect app you can lock and secure your PDF, DOCX, XLSX, PPTX and ONE files online and free of cost.

Encrypt and Password Protect

With our online free app you can password protect, encrypt and add password to your PDF or other file formats. Once locked, your file becomes safe from unauthorized editing or viewing.

Best File Protection online

Our file locking app does not require any program or software download and can be used online for free.

Free Online File Protection

You can use our PDF, DOCX, XLSX, PPTX and ONE files protection app completely free and online.

Why Use Our Free Online Document Protection Application?

Our free online document protection application offers a user-friendly and efficient way to protect information quickly within your documents. Here are a few compelling reasons to use our free online document protection application:

Easy to Use

Our intuitive interface makes it simple for anyone to protect their documents, regardless of tech skills.

Free of Charge

Enjoy robust document protection features at no cost, making security accessible for everyone.

Quick and Convenient

Protect your files in just a few clicks, saving you time while ensuring your documents remain secure.

Flexible Options

Choose from various protection methods, such as password protection and permission settings, tailored to your needs.

Secure Storage

Keep your sensitive information safe with our secure cloud storage options.

Access Anywhere

Protect your documents from any device, ensuring you have security on the go.

Related Blog & Articles

How to Protect Documents Online

Secure your documents easily with our online application. Upload your file, set password protection or permissions, and safeguard your sensitive information. Enjoy peace of mind knowing your documents are safe and accessible only to authorized users. Read More

How to Unlock Documents Online

Quickly unlock protected documents using our online application. Simply upload the locked file, follow the prompts to verify your identity, and gain access to your content. Enjoy hassle-free unlocking from anywhere, anytime. Read More

How to Sign Documents Online

Easily sign documents online in just a few steps. Upload your document, create or upload your signature, place it where needed, and save or share your signed file. Enjoy secure and convenient signing from anywhere, anytime. Read More

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How it Works
HOW TO

How to protect docx file

  • Upload docx files to protect them online.
  • Specify password text parameter.
  • Press the 'PROTECT' button to protect your files.
  • Download the password-protected file instantly.
  • Send a download link to an email.
FAQS

How to protect Word, PDF and other files

Just use our online protection tool. It is fast, easy to use and entirely free. It is designed to quickly protect documents online.

We support a variety of document, web and e-book file formats, including PDF, DOC, DOCX, RTF, ODT and many more.

You can protect up to 10 files simultaneously.

Each file size should not exceed 100 MB.

At the end of the protection process, you will get a download link. You can download the result immediately or send the link to your email.

All user files are stored on Aspose servers for 24 hours. After that time, they are automatically deleted.

Aspose gives the highest importance and attention to security issues. Please be assured that your files are kept in secure storage servers and protected from any unauthorized access.

Protecting multiple files may be time-consuming sometimes, as it involves data re-encoding and re-compressing.
FILE INFORMATION

Learn about different file formats

Indulge yourself into learning more about well-known document and image file formats.

File Information

Microsoft Word Open XML Document

Docx is well-known format for Microsoft Word documents. Introduced from 2007 with the release of Microsoft Office 2007, the structure of this new Document format was changed from plain binary to a combination of XML and binary files. Docx files can be opened with Word 2007 and lateral versions but not with the earlier versions of MS Word.

Read More

MOST POPULAR

The most popular file formats to protect

We support a variety of document, web and e-book file formats, including PDF, DOC, DOCX, RTF, ODT and many more.

Protect DOC files Protect DOT files Protect DOTX files Protect DOTM files Protect AZW3 files Protect TXT files Protect DOCX files Protect ODT files Protect DOT files Protect DOCM files Protect RTF files Protect MOBI files Protect AZW3 files Protect OTT files Protect TXT files Protect EPUB files Protect ODT files
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The app runs on a device with a larger screen (minimum width of 320 pixels) aspect ratio.