Equisys technical notes

Technical guidance, explanations and fixes for our products

PRB: Error displayed 'You must install the Zetafax Outlook Extensions for Outlook 2007'




ID: ZTN1674

This Zetafax technical note applies to:

  • Zetafax 2007


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”


There is an incompatibility with the personal forms and the message class of the inbound message.


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


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>


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