Being the canon will import a .cvs file you need to export the windows contacts folder into a .cvs file and then import it into the canon.
To Export the windows contact file to .cvs file (from Microsoft webpage)
To export contacts so they can be viewed by someone using another program
You can convert all your contacts at once to the format you choose so that someone using another program or a previous version of Windows
can open and view them.
Open Windows Contacts by clicking the Start button , clicking All Programs, and then clicking Windows Contacts.
On the toolbar, click Export, and then click one of the following formats:
CSV (Comma Separated Values). This is a generic file format used for exporting or importing information to and from databases or spreadsheets.
vCard (folder of .vcf files). This format is used by many other programs. It is typically the best format to use when sharing contacts with someone who is using an earlier version of Windows or who is using a different operating system.
Click Export, select a folder where you want to store your contacts in the new format, and then click OK.
When a message appears telling you that the contacts export process has completed, click OK, and then click Close.
To import the .cvs file into the Canon 4350
open a document and select the Canon 4350 fax driver as the printer
Select the Edit Address Book TAB
Select Import TAB
Browse to where you stored the exported .cvs contacts file
Click on the .cvs file to be imported
It will process and the address book will them be populated withthe data from the windows contact folder.