Solution or Workaround
Why do I get "Jet db Error" when I try to open a spreadsheet, such as Lotus, Access, or Excel into Atlas?
This error is generated because Atlas 4.0 does not recognize the Jet libraries of current versions of Microsoft spreadsheets.
When creating a spreadsheet in Lotus, Access or Excel, you should save the file as a dbase IV (.dbf). This can then be opened into Atlas as a .dbf without making Atlas convert the file from another extention such as .xls or .mdb. This is not a problem with older versions of Microsoft spreadsheets written with their extentions, and then brought into Atlas and converted to a .dbf.
If there are further problems try saving the spreadsheet as a text (.txt).