Fujitsu ScanSnap S300 Operator's Manual page 128

[Set a 'Document Open' password for PDF files] checkbox
[Save scanned images to file] checkbox
[Do not show this dialog again] checkbox
[Attach to E-mail] button
[Cancel] button
[Help] button
108
You can set a [Document Open] password for attached PDF files.
The attached PDF files cannot be opened unless a correct password is entered.
Therefore, mark this checkbox when you send confidential files by e-mail.
You can save PDF files attached to e-mail messages in a specified folder.
The attached PDF files are saved in a folder specified on the
of the [ScanSnap Manager - Scan and Save Settings] dialog box.
You will not see the preview window from the next time.
You can skip step 7.
Clicking this button attaches files to an e-mail message using settings configured
in this dialog box.
Clicking this button cancels all changes made in this dialog box and returns you to
the previous window (the ScanSnap Quick Menu).
You can view Help topics related to the preview window.
"[Save] tab" (page 54)