After applying the PTXA2017.2.0 update for Sage 50 you receive the error message "Sage Data Exchange was unable to initialize correctly. Office 365 Intergration may not work properly."
- If Outlook is installed, create new profile and configure your email account.
- Click on Start, Settings
- Click on System and choose Outlook as the default application
- Open Sage again and test to see if the issue persist.