It is a mail archive file, have a look here and can be open with Lotus.
well i found a link , just check it out, might it’ll help.
1. download the app
2. browse to the folder of your language
3. run the app: ccmarch.exe
4. browse to and select the .CCA file(s) of interest
5. Select the Outlook folder to which you want to import the selected file (I created a new 'Personal' folder: Personal_CCA
Last Wiki Answer Submitted: July 9, 2012 4:00 pm by jonno9930 pts.