Sage 50 Microsoft office 365 to space up key data, which helps it save safely at cloud storage and on other integrated apps. Microsoft will be integrating it with its Small Business Productivity Suite and Microsoft 365 Business edition. To connect to Microsoft 365: In the Home window on the File menu, choose Microsoft 365 Integration and select Connect to Microsoft 365. Enter your Microsoft 365 account information and then click Sign in. Click Connect to synch your Sage 50 company with your Microsoft 365 account.