The data file you have selected is an MYOB data file...
If you haven’t already done so, we suggest you read the Troubleshooting Alert Messages Overview.
Situation: The data file you attempted to open is a Version 7.5 or earlier data file, and it can’t be used by MYOB AccountEdge in its present form.
Solution: Be sure the data file you attempted to open is the data file you want. If you’re sure the file is correct, you’ll need to upgrade the data file using the MYOB AccountEdge Upgrade Assistant.
The data file you have selected is an MYOB data file...