Forum Discussion
Managing changes in Office 365: An overview of resources
Is there a formula to change a 10 digit ISBN into a 13 digit ISBN eg 1845506820 9781845506827
GW_excel1935 , you may check http://drziegler.net/generating-eanisbn-13-check-digits-in-excel/ or http://useroffline.blogspot.com/2008/08/tip-spreadsheet-conversion-for-isbn-10.html and I believe there are more samples