If you get an error message after checking the box to enable Microsoft Outlook Integration, you are probably using the 64-bit version of MS Outlook.
Microsoft has a problem with their 64-bit Outlook version working with 3rd party apps like MXIE. It's a known issue that probably won't get fixed in the near future. If you get an error message like:
The best thing to do, and probably the only thing, is the work around to manually import your contacts:
- export your contacts from Outlook
- then open MXIE, click on Address Book
- click on 'local address book'
- click the green circled arrow at the top
follow the prompts to import the file you exported from Outlook.