Could not find installable ISAM



Attempting to open an excel spread*** using ado with the following connectstring:

'Provider=Microsoft.Jet.OLEDB.4.0;Data Source= E:\Personnal\xcelfiles\GROCLST.XLS;Extended Properties=Excel 8.0;HDR=YES;'

results in the following error:
OEleException message 'Could not find installable ISAM'.

Thanks for any help.

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