Fujitsu ScanSnap S1100 Operator's Manual page 288

The following window appears and conversion is started.
When the conversion is completed, Word or Excel starts up, displaying the converted
document in the applicable format.
The Word or Excel file is saved in one of the following formats:
Scan to Word: RTF format (.rtf)
Scan to Excel: XLS format (.xls)
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Actions (for Mac OS users)