.PPK File Extension

PuTTY Private Key

PuTTY Private Key Files (PPK) store private keys generated by PuTTY. PPK files enable secure communication with parties having the public key. They contain authentication information, allowing PuTTY ...

General Information

Title PPK File Extension
Extension .ppk
Full Form PuTTY Private Key
File Type Key File
Developer Simon Tatham
MIME Type application/x-putty-private-key

File Function

Primary Function Store keys
Additional Functions Authenticate users
Features Encrypted, RSA, DSA

File Characteristics

Quality High security
Supports Layers N/A
Supports Transparency N/A
Editable Yes, with tools

Use Cases

SSH Authentication Yes
Secure File Transfer Yes
Server Administration Yes

Security and Practices

Security Risks Key theft
Best Practices Strong passphrase, secure storage

Historical/Version Information

Initial Release 2000
Latest Update Ongoing, with PuTTY updates

Associated Types

Similar Extensions .key, .pem, .pub

Software Compatibility

Software Usage Policy OS Compatibility
PuTTY Free Windows, Linux, Unix
WinSCP Free Windows
FileZilla Free Windows, Mac, Linux