How to Add Passwords to Text Files in Windows 11/10
you may use text editors to keep private notes, codes, and other confidential data. They’re simple, easy to use, and don’t take many system resources. However, if you’re keeping these kinds of data on text files, you should protect them by adding passwords and encryption.
Unfortunately, Windows' Notepadd app doesn’t let you password-protect its text files. Thankfully, third-party Windows apps allow you to add passwords and encryption to text files. LockNote, Secure Edit, and PeaZip are three free apps to protect text files with passwords.

This is how you could use these three apps to protect the information you save on text files in Windows 11/10.
How to Add Passwords to Text Files With LockNote
Steganos LockNote is a portable app that lets you create password-protected basic text files. you may also use it to apply passwords to existing text files, making it easier to protect your information.
So, this is how to use LockNote to protect your text information with a password.

To open your password-protected text file, browse to the folder where you saved it and double-click the file. When you launch your file, a password box will appear; input the password you set and clickOKto open it.
If you want to set passwords for an existing Notepad text file, open the folder that includes it, then drag and drop the Notepad file onto LockNote’s window. SelectYeson the dialog box that asks about converting files. Input a password for the file and clickOK. That will save a duplicate LockNote file in the same folder as the original text file.

You’ll probably notice that the password-protected LockNote files have a .EXE file format. This means you don’t need to install the LockNote app to run your password-protected text file.
LockNote includes only limited text-editing options. However, you may at least select a few different fonts and sizes. To do so, click theView menu. Then you can clickFontorFont sizeto choose alternative text options.

How to Add Passwords to Text Files With Secure Edit
Like LockNote, Secure Edit incorporates password and encryption features into your text file. However, it also lets you add images in PNG and BMP format. So, this is how you can add passwords to Windows text files with Secure Edit.
Close Secure Edit and open the saved file. Go to the directory that includes the file you just saved with Secure Edit and open it.

You’ll probably need to choose an app to open the file with first because Windows doesn’t recognize the format. Click theMore apps>Look for another app on this PCoption. Select theSecureEdit64.exefile and clickOpen. you’re able to then input the file’s password to open it within Secure Edit.
TheVisual Optionsmenu within Secure Edit includes customization options for the software. ClickOptionsandVisual Optionsto access that menu. Then it’s possible to select four alternative themes from there.
To change the text style in Secure Edit, click theSelect Editor Fontoption. Then you’re able to choose a different font, style, and size in the open window. The Font window also includesStrikeout,Underline, andColoroptions.
How to Apply Passwords to Notepad Text Files With PeaZip
PeaZip is a freeware archive utility with which you canset up password-protected archives. You can apply a password to multiple Notepad text files by adding them to a password-protected archive with PeaZip.
You then need to use PeaZip to open your password-protected archive. This is how you can create a password-protected ZIP file with PeaZip:
The archive you’ve created will not be accessible with the Windows ZIP extraction utility. To open the files in it, bring up the directory that includes the archive; then right-click the ZIP file and selectOpen with>Choose another app>Look for another app. Select PeaZip in the window and clickOpen>OK.
Double-click a text file within the archive. Then you’ll be prompted to input a password for it. Enter the password you set for the ZIP to open the text file in Notepad.
Secure Your Text Files in Windows 11/10
If you share a Windows PC with other users, you should set passwords for text files containing private notes and confidential details. Even if you don’t, securing your personal notes is a good idea by applying a password. So, check out LockNote, Secure Edit, or PeaZip to protect your most confidential text files in Windows.
If you’re a Windows 11/10 Pro and Enterprise user, you’re able to also encrypt your text files with the extra security features those platform editions include. BitLocker enables you to encrypt whole drives. Or you can apply AES-256 encryption to specific files in Windows 11/10 Pro and Enterprise.
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