Unable to open message store when emailing from Reckon Accounts 2016

Legacy KB ID: 5385


Why can’t I email from the Reckon Accounts Business 2016?  I get the error:  “Unable to open your email message store.  Your message cannot be sent.”

A MAPI error follows.


Launch Reckon Accounts Business in Run as Administrator


The issue

This issue may arise when you are emailing to a 32-bit version of Outlook 2016 on a Windows 10 PC. 



  1. Right-click your Reckon Accounts Business launch icon

  2. Properties > Compatibility

  3. Tick the box: Run this program as an Administrator.

  4. Click OK.


Need more help?

Ask the Reckon Community at: https://community.reckon.com/reckon.


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