PRB: Error displayed 'You must install the Zetafax Outlook Extensions for Outlook 2007' Print ZTN1674 ID: ZTN1674 This Zetafax technical note applies to: Zetafax 2007 Symptom In Outlook 2007 when a user clicks on ‘Incoming faxes’ the following error message is displayed: “You must install the Zetafax Outlook Extensions for Outlook 2007” Cause There is an incompatibility with the personal forms and the message class of the inbound message. Resolution In Outlook delete the Zetafax forms from the Forms Manager: Select “Options” from the Tools menu Click on the ‘Other’ tab Click on Advanced Options-> Custom Forms-> Manage Forms-> Personal Forms Delete all Zetafax Forms and click close Status This has been identified by Equisys as a problem with the software versions given above. Last updated: 19/03/2008 (NM/PS) Keywords: < Zetafax> < Outlook Extensions>