http://www.msoutlook.info/question/backup-and-restore-quick-steps
Backing up all Quick Steps
To create a backup of your Quick Steps, use outlook ost repair tool:
Open MFCMAPI.
Accept any dialog prompts to get to the main window of MFCMAPI.
Choose: Session-> Logon…
Select the mail profile for which you want to backup its Quick Steps. If you are unfamiliar with this dialog, simply press OK.
In the top-part of MFCMAPI you should now see all your configured mailboxes and connected pst-files. Double click on the the mailbox for which you want to backup the Quick Steps.
In the Navigation Pane on the left, expand the folder list called “Root – Mailbox” or “Root Container”.
Expand the folder list called “Top Information Store”, “IPM_SUBTREE” or “Top of Outlook data file”.
You should now see a folder called: Quick Step Settings. Right click on it and choose: Export folder-> As MSG files…
Enable both “Save associated items” and “Save as Unicode MSG”.
Press OK.
Use the Browse For Folder dialog to select a location to store your Quick Steps to. As each Quick Step will be stored as an individual msg-file, it might be wise to create a new folder for it.
Click OK to start the Export process.
Close all open dialogs to close MFCMAPI or repeat steps 5 to 12 for any other mailbox that you have configured in Outlook and wish to backup the Quick Steps for.