How long are my received faxes stored? XenVoice December 06, 2018 10:00 Updated Your fax documents will be saved for lifetime. You can access them whenever you want. Related articles How is XenFax different from its competitors in pricing? Can anyone send me a fax online, or the person needs to be a XenFax subscriber? How do I know when someone sends me a fax? How can I access my Fax invoices? How to send a fax with XenFax?