To use PuTTYgen to convert a key into .ppk format

To use PuTTYgen to convert a key into .ppk format, complete the following steps:

1. Open PuTTYgen, go to Conversions, and then click Import key. PuTTYgen will display a window to load your key.
2. Browse to your SSH private key, select the file, and then click Open. Your SSH private key may be in the Users\[user_name]\.ssh directory.
3. Enter the passphrase associated with the private key, and then click OK. Note the key fingerprint confirms the number of bits is 4096.
4. Go to File, and then click Save private key to save the key in .ppk format.

You can now use the .ppk file as your key when you use WinSCP.