From the import screen, after selecting the Source Data file, no data appears.
After selecting an Excel Spreadsheet, there isn't a list of Sheets or
Data
Sentinel Visualizer uses the Microsoft Office/Access Database Engine to support Excel spreadsheets and Access databases. This is a program provided by Microsoft to support their file formats.
It may become corrupt and require repairing.
You may need elevated rights to perform the repair. Contact your network Administrator if you need permissions.
Open the Windows Control Panel
Search for "Programs and Features" and click on it:
Search for Microsoft Access database engine, select it, and click the [Repair] button:
There is no confirmation that the repair was successful. A message
only appears if the repair failed.
Select the Source Data again and it should appear:
If not, you may need to restart Sentinel Visualizer or Windows for the repair to take effect.