I want to write a formula for merges in Word 2000 that does something like this (which I can do in Excel and Access) If SSN is null, use ID otherwise, SSN The problem I'm having is with the Is Null part and Word Help has been no help at all! {IF {MERGEFIELD SSN} IS NULL {MERGEFIELD ID}, {MERGEFIELD SSN}"} ************************************************************* You are receiving this mail because you subscribed to mso@xxxxxxxxxxxxx or MicrosoftOffice@xxxxxxxxxxxxxxxx To send mail to the group, simply address it to mso@xxxxxxxxxxxxx To Unsubscribe from this group, send an email to mso-request@xxxxxxxxxxxxx?Subject=unsubscribe Or, visit the group's homepage and use the dropdown menu. This will also allow you to change your email settings to digest or vacation (no mail). //www.freelists.org/webpage/mso To be able to use the files section for sharing files with the group, send a request to mso-moderators@xxxxxxxxxxxxx and you will be sent an invitation with instructions. Once you are a member of the files group, you can go here to upload/download files: http://www.smartgroups.com/vault/msofiles *************************************************************