Product Life Cycle

Document created by user.oxriBaJeN4 Employee on Sep 7, 2015Last modified by user.oxriBaJeN4 Employee on Jul 13, 2018
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Mimecast strives to continually innovate and evolve its solutions, providing customers with richer functionality and more robust products. In order to achieve this, certain versions of the software will reach the end of their life. Our goal is to provide straightforward product lifecycle policies that help customers better design, deploy and manage their IT investments and upgrades.


Life Cycle Phases




  • Mainstream Maintenance: Upon General Availability, products are fully supported and maintained until the Extended Maintenance date is reached. Mimecast will provide code-level maintenance in the form of minor versions or hotfixes when it determines they are required to resolve issues or introduce new functionality to the product. Mimecast customers may be required to upgrade to a minor version to receive continued maintenance

  • Extended Maintenance: During this phase technical support continues as before, but code-level maintenance will be limited to security-related issues deemed critical by Mimecast. Security issues will be corrected through hotfixes compatible with the current maintenance baseline. This maintenance baseline is dictated by the current minor version.

  • End of Life: Once a product release reaches its end of life date, the product itself will no longer be operable or communicate with Mimecast.


Support Matrix


Mainstream Maintenance
Extended Maintenance
End of Life
Security Maintenance
Submit a Support Request
Self Help Support
Feature Requests
Feature Enhancements
Bug Fixes


Notification Periods


Wherever possible, Mimecast will provide notifications in line with the table below. However, there may be occasions where this is not possible. Mimecast will publicize relevant dates for the progression of a product through each phase of the product lifecycle. Consider that:

  • Notification periods outlined below are cumulative.
  • A product may remain in the Extended Maintenance phase indefinitely.


End of Life Notification PeriodNotes
Minor version6 months± Minor versions are supported for 12 months post release date.
Major version6 monthsOr in line with a later major version being released. In which case, customers should plan for full end of life of the legacy major version 12 months after the release of the newer version.
Entire application12 months
Services & Integrations
Minor version6 months± Minor versions are supported for 12 months post release date.
Major version6 monthsOr in line with a later major version being released.
Entire service12 months
Operating Systems & Platforms
Mobile & Apple Mac6 monthsThe two latest major platform releases will be supported.
Windows & Outlook6 monthsGenerally supported in line with the relevant Microsoft support lifecycle.
Security Driven Change
Security driven change will be delivered as the need arises for critical vulnerabilities. Customers will be provided with as much notification as possible based upon the perceived risk.


Examples of Product Life Cycle Progression


Using Mimecast Mobile as an example, the following applies (all dates and versions used in the following examples are fictitious):

  1. A new minor version (2.6) is released:
    1. Version 2.5 (previous GA version) moves into Extended Maintenance and will be supported for 12 months from its original date of release.
  2. A new major version (3.0) is released:
    1. Version 2.6  (previous GA version) immediately moves into Extended Maintenance.
    2. No advance notification would be provided for this event.
    3. Customers should plan for major version 2.x to be end of life 12 months later and upgrade to the latest major version.
  3. Apple iOS 9 is released:
    1. Mimecast will announce support for this new major OS version.
    2. In general, the next release of Mimecast Mobile will support this new OS.
    3. Apple iOS 8 & 9 become the supported platforms for Mimecast Mobile
    4. Customers may remain on the last version of Mimecast Mobile that supported iOS 7 or below for the remainder or supported lifecycle of the respective version. For instance, if the last version to support iOS7 was Mimecast Mobile 2.5 (released 27th April 2015) and iOS 9 is supported in 2.6, customer may remain on iOS 7 and Mimecast Mobile until 27th April 2016.

Product Release Information


View the latest information on recent product releases and announcements in our Service Updates section.


See Also...


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