Once you install the PGP software there are some default changes that takes place and keys are created which are stored in two files on your hard disk :
One is a public key and the other is a private key.
These files are called keyring. It is important to keep your PGP private key very secure. If you lose your private keyring, you will be unable to decrypt any information encrypted to the keys on that ring.
Use the following steps to backup your PGP keyring:
PGP Desktop for Windows
Access the folder C:\Documents and Settings\Administrator\My Documents\PGP directory
whichever directory you specified for your public and private keys when you first installed PGP :
1. Copy your pubring and secring files to a USB device or external hard drive or make a backup copy with Backup software.
By default : The Keyring folder is backed up to the default location of Keyring (private and public keys) when the PGP Desktop is closed These backup files can be used to restore your key if your keyring files are accidentally deleted or corrupted.
Note: You may also specify a different location for your backup keying files from within PGP Desktop :
1. Open PGP Desktop by clicking on the icon on your desktop.
2. Select the Options > Keys tab.
3. In the Backup selection:
3. Enable / disable the automatic backup of keys
4. Specify the location of your backup keyring files
5. Click OK to apply any changes made.
PGP Desktop for Mac OS X
1. Go to your user directory \ Documents \ PGP.
2. Copy the files located in this folder (PGP Private Keyring.skr and PGP Public Keyring.pkr) to a USB device or external hard drive or make a backup with Backup software.