A few folks have reported problems whereby early versions of X1 handled Outlook just fine, but 5.6 will not play ball.
After some heart stopping experiments playing with things like the registry, they have come up with a couple of things to look for.
Here is the first trick to try:
I have, however apparently found a fix for my issue! I went into my registry (dangerous!) and located the following key: HKEY_LOCAL_MACHINE\SOFTWARE\Zone Labs\ZoneAlarm\MailSafe Extensions\.PRF which pertains to Microsoft Outlook Profile Settings in ZoneAlarm. I don't know if ZoneAlarm (Security Suite version 6.5) changed the permissions for .PRF, but when I clicked on allow for "Full Control" and "Read" for every group or user name (and clicked on apply), then using Task Manager to end all processes pertaining to X1 and finally restarting X1, everything (so far) appears to be working fine. I removed the check marks next to all I had previously allowed, rebooted and still X1 continues to display all the PST files I have in my Outlook Profile under Select Folders to Scan. I can now add PST files there as well and indexing is proceeding!
Here's another idea along similar lines:
Kaspersky was blocking X1 from seeing Outlook profiles/folders after I installed it...I had to go into Office Guard and turn off blocking of the Office API.
That fixed it.
As the smart person who found that one suggested, other applications may be doing something similar.
The common theme here is that software designed to protect you from Osama Bin Laden and other criminals is actually getting in the way. Unfortunately, we haven't had any feedback from the X1 folks as to why this behaviour began with X1 5.6, or what might be behind it. In the meantime, maybe the above will spark off some ideas as to how to unblock X1 at your end.
If you find a similar trick, why not add it to this thread?