Just for consideration have you compared the results of importing two or more XLSX files that are supposed to contain similar data? Compare meaning look at
1) variable names
2) variable types
3) length of variables
Import makes guesses for each file. You will find literally dozens if not hundreds of topics on this forum related to importing multiple similar XLSX files and getting results where data gets truncated when combining sets because of defined lengths or cannot combine files at all because the type for the same named variables are different.
Or can't use with other external programs as needed because account numbers and such have had leading 0, zero, removed when a value is treated as numeric.
Two different installs running Proc Import may even get different results based on custom settings.
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