Outlook4Gmail v.5.1.4 released!

Now we’re back from a big break to introduce a brand-new update with some nice features and improvements!

Thanks to your kind support, a lot of minor bugs have been fixed during these months. So, here we go:


  • Sync algorithm improved by the ability to check and analyze similar items.
  • Changed the way of syncing Phones set; support for standard, undefined and named labels in English, German, French, Italian, Spanish, Portuguese.
  • Option to skip sync Birthdays and Anniversaries.
  • Changed the way to get an SMPT e-mail address for Exchange User.

Stability and performance optimization

  • Improved processing of bad formatted Birthday and Anniversary dates from Google.
  • Google Group synchronization is improved.
  • Improved the way of processing Batch operations for Google Contacts.
  • Changed the way of using Messaging API with different data storages.
  • Improvements and fixes to OAuth user authenticate.
  • Changed and improved exponential backoff algorithm of checking and getting Outlook application object.
  • Fixes and Improvements to Microsoft Store Office (aka Centennial) version.

User interface and usability

  • Support Simplified Ribbon for Microsoft Office 2019.