Mimecast for Outlook: Prerequisites

Document created by user.oxriBaJeN4 Employee on Sep 4, 2015Last modified by user.oxriBaJeN4 Employee on Jun 11, 2019
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This article outlines the software and network prerequisites required by Mimecast for Outlook.


Mimecast for Outlook:

  • Must be connected to an Exchange or another email account. If using a non-exchange account please see Mimecast for Outlook: Google G-Suite, IMAP and POP Account Support.
  • Functionality is only applicable to the primary account configured in Outlook. It will not apply to secondary accounts or shared mailboxes, although delegate access can be configured by an Administrator for users that maintain another user's Inbox.


You can download Mimecast for Outlook from the Application Downloads page.


Operating System


Mimecast for Outlook exists in both a 32-bit or 64-bit version. To install Mimecast for Outlook, run the installation package for the version required. Valid Operating System and Outlook Configurations include:

SoftwareRequirementsMimecast for Outlook Versions
Operating Systems
  • Windows Server 2016
  • Windows Server 2012
  • Windows Server 2008 R2 (SP1)
  • Windows 10
  • Windows 8.1
  • Windows 7 (SP1)
  • All
  • All
  • All
  • All
  • All
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Outlook Versions
  • Outlook 2019
  • Outlook 2016
  • Outlook 2013
  • Outlook 2010
  • Outlook Office 365 ProPlus
  • All
  • All
  • All
  • All
  • All
Multi User Environments
  • Terminal Services
  • Citrix XenApp 7.5
  • Citrix XenApp 6.5 to 7.4

    AppV streaming of Mimecast for Outlook is supported, as long as the AppV vendor guidance is followed and the environment set up correctly.

  • All
  • All
  • All
Multi User Environments - SQL Server Versions
  • Microsoft SQL Server 2008 or later
  • MySQL Community Server 5.6.21
  • All
  • All
.NET Framework

The minimum supported .NET versions for Mimecast for Outlook are outlined in the table below.

Mimecast supports all later versions of .NET as they are released.


Mimecast for Outlook VersionMinimum .NET Supported Version
Mimecast for Outlook v7.0 or later.NET Version 4.5.1
Valid OS and Outlook Configurations
  • Windows 32-bit with Outlook 32-bit
  • Windows 64-bit with Outlook 32-bit
  • Windows 64-bit with Outlook 64-bit


Network Prerequisites


Mimecast for Outlook is an application that utilizes a cloud service. The recommended Mimecast for Outlook environment is where there is a direct route from the client workstation to the internet, or at least to Mimecast services.


API Endpoint
Check for Update URLs
REQUIREDapi.mimecast.comN/A - Used for initial account discovery.
Europe (excluding Germany)eu-api.mimecast.comhttps://updates-uk.mimecast.com/update/descriptors/mfo/latest
South Africaza-api.mimecast.comhttps://updates-za.mimecast.com/update/descriptors/mfo/latest
United Statesus-api.mimecast.comhttps://updates-us.mimecast.com/update/descriptors/mfo/latest


See Also...


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