Libraesva Archiver Outlook Add-in missing button

PROBLEM:

How to made visible Libraesva Archiver Outlook Add-in button?

SOLUTION:

• Outlook (Windows)
  
  • Outlook add-ins are designed to activate in the user’s main mailbox only.
  • The Outlook client must be connected to an Exchange server or Office 365 using a direct connection. When configuring the client, the user must choose an Exchange, Office 365, or Outlook.com account type.
  • Check if you can see Outlook Add-in button in your Outlook Web Application (OWA).
    If you can see Outlook Add-in button in OWA, please check if there are other add-ins missing from your Outlook Ribbon.
  • Outlook 2013 and Outlook 2016: File > Options > Add-Ins to enable Libraesva Email Archiver Outlook-Add-In
  • Also check whether you can locate Store icon, Manage Add-ins icon or Get Add-ins icon. If any are missing, your organization might have disabled all add-ins.
  • In some cases Outlook is unable to sync the user profile settings from O365 or Exchange server. You can try clearing the Office cache.
• Outlook (Mac)
  Select from your Outlook File > Preferences > Privacy and enable Connected Experiences.
• Outlook Web Application (OWA)
  • If you are unable to locate Outlook Add-in button in OWA, there is most likely something wrong in the distribution of the Outlook Add-in button. Distribution is done by your IT support so please contact them for further assistance.
  • Another possibility is that your organization has distributed a stand-alone installation of the Outlook Add-in button for your desktop Outlook only. In this case the button may not be available in OWA.