<p>With the backing of its new parent company, Yammer more than tripled its revenue year on year in the quarter that ended in March.</p><p>Sales of Yammer's cloud-based enterprise social networking (ESN) software shot up 259 per cent in Microsoft's third fiscal quarter, compared with the same quarter in 2012, when Yammer was still an independent company, Microsoft said on Thursday.</p><p>Microsoft isn't disclosing Yammer's revenue in dollar figures, but the growth and momentum -- Yammer added 312 new customers in the quarter - is a validation of the $US1.2 billion it paid for Yammer last July, a Microsoft executive said in an interview.</p><p>"We're really pleased with the acquisition, with the process of the teams coming together and with the continued customer acceptance and demand," said Jared Spataro, senior director of the Microsoft Office Division.</p><p><a href="http://www.pcworld.idg.com.au/article/461468/microsoft_says_yammer_sales_booming/">Keep reading...</a></p><p>Read also:</p><p><a href="http://blogs.seattletimes.com/microsoftpri0/2013/05/09/microsoft-says-yammer-momentum-is-tremendous/">Microsoft says Yammer momentum is "tremendous"</a> (The Seattle Times (blog))</p><p>Explore: <a href="http://news.google.com/news/more?ncl=dd2BT60DssfLVFMZ7JzBr_Y78lEJM&ned=us">4 additional articles.</a></p>