PDF is one of the most common file formats for sharing digital documents due to its universal compatibility and portability. PDF’s are also lightweight and are independent of any proprietary software or operating system.Continue Reading
File Encryption is the only way to password protect any digital file. Any software which password protects your files uses some kind of encryption algorithm for encrypting your files. There are many trialwares like the Winzip and WinRar which encrypt your files with a password. However both of these are proprietary software and you need to pay after their trial period is over.