CPU usage increases largely when you have multiple animated emoticons in conversations in Skype for Business

Work anywhere from any device with Microsoft 365

Upgrade to Microsoft 365 to work anywhere with the latest features and updates.

Upgrade now

This issue occurs after you apply the April 14, 2015 update for Microsoft Skype for Business.


  • Turning off emoticon animation in the Option dialog box cannot prevent CPU draining.

  • CPU usage will not decrease until you close the conversation windows.


To resolve this issue, install the May 12, 2015, security update for Skype for Business.

Need more help?

Expand your skills
Explore Training
Get new features first
Join Microsoft Insiders

Was this information helpful?

Thank you for your feedback!

Thank you for your feedback! It sounds like it might be helpful to connect you to one of our Office support agents.