I can't use excel tables in map files. Get the error:
'Unexpected error from external database driver'
Tried xls and xlsx, only csv files work. xls always worked until I upgraded to 10.5.1
What's new in ArcGIS? more bugs!
May be this issue:
Installed ArcGIS 10.5 but get the following error when trying to add an Excel table:"Failed to connect to database. An underlying database error occurred. Class not registered". I recall seen this type of error before and the solution was to load a file f
That worked for a few days then stopped, getting the same error message. I tried re-installing the patch. No luck
are you using the 'Excel To Table tool' from arctoolbox? adding them directly? dragging and dropping?
The first method is the most reliable, the rest fail often depending on what is in the excel file and/or how it is formatted.
If the first method keeps failing and the patch isn't working, then you should report your system specs since very few people are reporting this error now with newer operating systems and recent version of arcmap etc.
Retrieving data ...