A family of Microsoft relational database management systems designed for ease of use.
Looks like you are missing something. The sysntax for the TransferSpreadsheet method is:
TransferSpreadsheet(TransferType, SpreadsheetType, TableName, FileName, HasFieldNames, Range, UseOA)
So you have a , after command which can throw things off. Try:
DoCmd.TransferSpreadsheet acImport, 8,"tblImportPriorDayClaimsTransactions", "\\DFS01\Shared\CFA\Vol5\Treasure\Cash_Mgr\1- Treasury Operations\4- Database\PBFS Reports\Import\Premium Accounting CD Transaction Report.xls", True, "Import File!"
TransferType = acImport
SpreadsheetType = 8 (or acSpreadsheetTypeExcel9 for Excel 200-2003)
TableName: tblImportPriorDayClaimsTransactions
Filename: ...\Premium Accounting CD Transaction Report.xls
HasFieldnames: True
Range: Import File
Use OA, not supported