In this tutorial I will guide you How to Encrypt/Decrypta File in C#, with examples and Demo code, you can download for use.
The Decrypt method decrypts an encrypted file. Only account that has encrypted a file can decrypt a file.
The Encrypt method encrypts a file so that only the account used to encrypt the file can decrypt it.
static void Main(string args)
string fileName = @"E:file.txt";
FileInfo filetodecrypt = new FileInfo(fileName);
After file encyrpted output:
After file Decrypt output: