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Microsoft Office Yammer (2018–present)
Yammer Home Page.png
The home page of Yammer
Type of site
Enterprise collaboration
Available inMultilingual
FoundedMarch 10, 2008; 12 years ago (2008-03-10)
Area servedWorldwide
OwnerMicrosoft Corporation
General managerMurali Sitaram
Alexa rankDecrease 2,928 (Global, February 2020)[1]
RegistrationCompany Email
LaunchedSeptember 8, 2008; 11 years ago (2008-09-08)
Current statusActive

Yammer (/ˈjæmər/ (About this soundlisten)) is a freemium enterprise social networking service used for private communication within organizations. Access to a Yammer network is determined by a user's Internet domain so that only individuals with approved email addresses may join their respective networks.[2]

The service began as an internal communication system for the genealogy website Geni.com,[3] and was launched as an independent product in 2008.[4] Microsoft later acquired Yammer in 2012 for US$1.2 billion.[5] Currently Yammer is included in all enterprise plans of Office 365 and Microsoft 365.



In 2008 Yammer was built as an internal feature for Geni by David O. Sacks. After 6 months of use at Geni, Sacks brought Yammer to TechCrunch50 to showcase its abilities and launch the product as an independent service away from Geni. Yammer won top prize at TechCrunch50, which allowed them to seed more money into the project. It was determined early on that a corporate email address would be required to use Yammer.

In 2009 Yammer went through its first redesign. The main feature set included profiles, profile photos for groups, following suggestions, and a product called 'YammerFox', which was an extension for Firefox that popped up an alert to the end user when a message was received.[6]

In 2010 new integrations were launched in the application, such as polls, chat, events, links, topics, Q&A, and ideas. Yammer also launched their own app store which included Crocodoc and Zendesk.[7] By now, Yammer had grown to over 1 million total users on the platform. [8] Yammer also released their SharePoint 2007 Integration, and moved to Scala for their real-time work.[9]

In 2011 Yammer made the move from Scala back to Java for their real-time work due to the complexity of rolling out Scala. [10][11]Yammer Notifications was released as a replacement to YammerFox.[12] During this period, Yammer grew its userbase to 4 million total users. [13]

In 2012, Yammer purchased OneDrum. This acquisition allowed Yammer to implement real-time document editing, as well as document edit history. [14]Yammer was also purchased by Microsoft for US$1.2 billion.[15][16]Microsoft announced that the Yammer team would be incorporated into the Microsoft Office division, but would continue to report to Sacks.[17]


In 2013 Microsoft integrated Yammer into Dynamics CRM and pushed the Yammer subscription into their Office 365 enterprise plans.[18] In 2014 Microsoft announced that Yammer development was being moved into the Office 365 development team, and Sacks announced that he was leaving Microsoft and Yammer.[19] Yammer also allowed login through Office 365, as well as plans to have Yammer show up in the Office 365 header for selection by end users.[20]

In 2015 Yammer removed several features related to how it worked with SharePoint, including support for SharePoint Server 2013. There was renewed focus on the Yammer Embed Feed.[21]

In 2016 Yammer removed the Yammer Enterprise Plan, due to a shift in using the more general Office 365 subscription structure. They also announced that Yammer would integrate with Office 365 Groups as well as allow end users the ability to create and edit Word, PowerPoint, and Excel documents using Office Online. [22]

In 2019 Yammer announced 'The New Yammer', which focused on a redesign based on Microsoft's Fluent Design System.[23] In November, they announced full integration into Microsoft Teams, Microsoft's competitor product to Slack.[24]

See also[edit]


  1. ^ "Yammer.com Traffic, Demographics and Competitors - Alexa". www.alexa.com. Retrieved February 5, 2020.
  2. ^ Chacos, Brad (August 7, 2012). "What the Heck Is Yammer?". PC World. IDG Consumer & SMB. Retrieved June 25, 2013.
  3. ^ Welch, Liz (November 2011). "The Way I Work: David Sacks, Yammer". Inc.com. Mansueto Ventures LLC. Retrieved June 25, 2013.
  4. ^ Schonfeld, Erick (September 8, 2008). "Yammer Launches at TC50: Twitter For Companies". TechCrunch. Palo Alto, California.
  5. ^ Lietdke, Michael (June 25, 2012). "Microsoft Buys Yammer For $1.2 Billion". The Huffington Post. Retrieved June 25, 2013.
  6. ^ "Yammer Adds a Flurry of New and Enhanced Features". Microsoft.com. Retrieved February 6, 2020.
  7. ^ Rao, Leena. "Yammer Debuts A Facebook For the Enterprise". techcrunch.com. Tech Crunch. Retrieved February 6, 2020.
  8. ^ "One Million Users and Counting!". microsoft.com. Retrieved February 6, 2020.
  9. ^ Krill, Paul. "Yammer banks on Scala, ends up moving to Java". infoworld.com. IDG. Retrieved February 6, 2020.
  10. ^ Blewitt, Alex. "Yammer Moving from Scala to Java". InfoQ. C4Media Inc. Retrieved February 6, 2020.
  11. ^ "gist:1406238". github.com. Retrieved February 6, 2020.
  12. ^ "Never Miss a Message Again with Yammer Notifications". microsoft.com. Retrieved February 6, 2020.
  13. ^ Schonfeld, Erick. "Yammer Time: In 2011 "Pretty Much Everything Tripled"". techcrunch.com. Tech Crunch. Retrieved February 6, 2020.
  14. ^ King, Rachel. "Yammer acquires OneDrum for Google Docs, Office tools". cnet.com. CBS Interactive. Retrieved February 6, 2020.
  15. ^ Israel, Shel (June 25, 2012). "It's Official: Microsoft Buys Yammer for $1.4 Billion Cash". Forbes. Retrieved June 29, 2012.
  16. ^ "Yammer: Microsoft's billion-dollar social bid". The Christian Science Monitor. Retrieved July 10, 2012.
  17. ^ "With $1.2 Billion Yammer Buy, Microsoft's Social Enterprise Strategy Takes Shape". TechCrunch. Aol Tech. June 25, 2012. Retrieved June 25, 2013.
  18. ^ Roe, David. "The Problem with Yammer? People don't Use It". cmswire.com. CMS Wire. Retrieved February 6, 2020.
  19. ^ Foley, Mary Jo (July 24, 2014). "Microsoft moves Yammer under Office 365; Co-founder David Sacks is out". ZDNet. Retrieved July 25, 2014.
  20. ^ Roe, David. "The Problem with Yammer? People don't Use It". cmswire.com. CMS Wire. Retrieved February 6, 2020.
  21. ^ Mackie, Kurt. "Microsoft Gives Update on Yammer Roadmap, Deprecation Plans". rcpmag.com. Redmond Channel Partner. Retrieved February 6, 2020.
  22. ^ Roe, David. "It's Official: Microsoft Eliminates Yammer Enterprise Plan". cmswire.com. CMS Wire. Retrieved February 6, 2020.
  23. ^ Holme, Dan. "The New Yammer". Microsoft. Retrieved February 6, 2020.
  24. ^ Lardinois, Frederic (November 4, 2019). "Microsoft Teams gets Yammer integration, secure private channels and more". TechCrunch. Retrieved April 20, 2020.