If a Microsoft application starts up slowly (due to machine processing slowly, poor connectivity, etc) then Microsoft automatically makes any add-ins inactive in order to assist the machine to boot up the Microsoft application. This results in any ALL add-in applications (not just BrandMail) , being made inactive or disabled. 

If your BrandMail tab has disappeared then it is either: 

1. The BrandMail add-in has become inactive

2. The BrandMail add-in has been disabled

To determine whether the add-in is inactive or disabled please perform the following steps: 

1. With Outlook open go to File, then Options, Add-ins: 

If BrandQuantum_BrandMail_AddinModule appears on the Inactive Applications List, then BrandMail is inactive. 

Go to Manage: Com Add-Ins - Click on "Go"

Find the box with the descriptor "BrandQuantum_BrandMail_AddinModule". Ensure that the box has been ticked. 

Then click "OK"

The BrandMail tab will now re-appear in the Outlook ribbon. 

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If the BrandMail add-in does not appear under the inactive list, it may appear under the list of disabled add-ins. 

In order to enable a disabled add-in, please follow these necessary steps: 

1. With Outlook open go to File, then Options, Add-ins: 

2. On the Manage drop down please select Disabled Items and click the "Go" button
3. Select the BrandMail add-in and click the "Enable" button
4. On the Manage drop down please select COM Add-Ins and click "Go" button
5. Select the BrandMail add-in and click the checkbox for that add-in
6. Click OK and it should appear