Millions of users save their documents as PDF documents so they can easily share and exchange them with colleagues irrespective of hardware and operating systems.

How can encrypting PDF files help you?

Some users need to secure PDF files with password encryption before sharing them via email for security reasons. That’s because there have been many situations where the inboxes were hijacked and the data has been stolen. It’s also a good precaution if someone else has access to the email of the recipient. This way, you ensure that only the people you send the file have access to the contents of the document. You can even protect a file for editing, thus making sure that the recipient cannot alter the information in the document. Various PDF software packages enable users to apply password encryption to PDF files. There are also a few ways you can encrypt PDF documents without PDF software.

How can I encrypt PDF documents for emails?

1. Encrypt the PDF with using Adobe software

Acrobat created the original PDF software for the Portable Document Format. That is why their solution has remained the world’s foremost PDF software ever since the early 1990s, thanks to its comprehensive options and tools for converting, editing, signing, and sharing PDF files. This tool is one of the best software to secure PDF files with. However, you can also select alternative advanced encryption and compatibility settings for the PDF files. Other useful features of this software:

It enables users to compress PDF files Users can split PDF files with Acrobat’s Split tool Acrobat’s Prepare Form utility enables users to set up fillable forms Includes a Compare Tool with which users can compare PDF document text

2. Encrypt the PDF so it cannot be shared using Locklizard

Locklizard provides the ultimate in PDF protection enabling you to securely share PDF documents via email with others.  You can control who can open your PDF files and how they can be used. Its one major advantage is that it does not use passwords to protect PDFs. The main issue with password protecting PDF files is that users need to know the password to open the PDF you send them. You, therefore, have to:

Use a strong password so it cannot be easily removed if the email is intercepted Find a way of transmitting the password securely Trust that the recipient won’t either share or remove the password Trust that the recipient won’t remove any restrictions (edit, print, etc.) applied to the PDF

Locklizard solves all of the above with a transparent key licensing system and DRM controls that are part of the PDF document.  There are no passwords to distribute, enter or remove, and PDF documents are locked to authorized users’ devices so they cannot be shared. Locklizard uses a wide range of DRM controls to prevent users from copying, pasting, editing, printing, and screenshotting document content.  SPONSORED Any watermarks you add are permanent (unlike those added with a PDF editor they cannot be easily removed) and you can automatically expire PDFs and instantly revoke access.  You can also track when your PDF files are viewed and printed and apply a lot of other mechanisms to protect your PDF. Let’s go through some of its best features:

Protect PDF documents without password Set the exact recipients who can view the file Limit the number of views and restrict the file from printing Insert text and image watermarks Extensive DRM controls

3. Archive the PDF document with a compression tool

We showed you an example of how to protect the archive with a password using WinZip, but you can do that with many other compression tools. Alternatively, you may secure a PDF by archiving it. Just use a dedicated file archiving tool that will help you quickly compress and archive your documents and keep your data private. The best compression tools on the market include some sort of file encryption features and many let you create password-protected files. These utilities are usually lightweight and intuitive. They generally support all major compression formats such as RAR, ZIP, ARJ, or TAR. To encrypt your PDF file with this type of utility, you just have to select what type of compressed file you want to create. Then set up a password, wait for the process to finish, and add your file to the email as you would with any other attachment.

4. Encrypt PDFs using an online tool

You can use this online tool to password protect a PDF with an extremely simple and quick procedure described in the steps above.

5. Send secure emails by using browser extensions

Yes, you can also use a simple browser extension to send encrypted mail messages. At least the extension recommended above does this job perfectly so try it.

6. Send the attachment’s message with an encrypted email service

There are also numerous encrypted webmail services with which users can send PDF attachment emails more securely without needing additional extensions. You don’t have to look any further because we have an excellent list with the best-encrypted webmails to use right now. If you also need PDF attachment messages encrypted, you can simply register with an encrypted webmail service. That’s how you can encrypt PDF files for emails and send them more securely. If you happen to know any other solutions we didn’t cover or you’ve tested some of these solutions, leave us a comment below.

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