About Gpg4win
Gpg4win is a Windows solution for encrypting and digitally signing files and email. Encryption protects message or file contents from being read by unintended recipients, while a digital signature can help confirm who sent the material and whether it has been changed. The software brings these capabilities together for users who need to exchange protected communications or documents. Gpg4win is based on GNU Privacy Guard for Windows and provides tools for using OpenPGP encryption and signatures. Its purpose is secure transport of email and files rather than general-purpose file management. The supplied description does not identify supported email clients, key-management workflows, or signature formats beyond the stated encryption and digital-signature functions. Compatibility depends on the recipient’s software and the cryptographic format in use.
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