The most common causes behind when user encountered Sage 50 Data File Missing Error while opening company file or User Unable to Open Sage Company file due to A Required Data File Missing warning message . Sage 50 pro , Premium or Quantum user can follow these steps for troubleshooting data file missing or disappears issue .Using Windows Explorer, access the Sage 50 Data file folder. You will see the SAI file and SAJ folder (if . SAJ is missing restore from backup) Now try to open you company file in your Sage 50 Data file folder (step 1) by double-clicking the SAI file (also identified as a "Sage 50 Data file" type).A required data file is missing" when downloading from Sage Drive on the company file opens successfully, run Sage 50 as an administrator. contact AccountsPro team on toll free number ☎ +1-800-474-0179 for Sage 50 Cannot Open Company File A Required Data File Is Missing Help.
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