Skype 7.37.178 for Mac OS X requires at least OS X Yosemite, and adds support for Skype bots cards to operating. Download Download for free Skype 7.37.178 for. Seems the skype for business mac client is only compatible with 10.11, and up. My company is on 10.10, and not sure if it's worth upgrading everyone to 10.11 just to be able to run this app.
Skype today has begun rolling out a redesigned version of its Mac client, bringing an enhanced look that better fits the upcoming design aesthetic of OS X Yosemite. The new design also brings the Mac app more in line with the recently. The new look’s most significant new feature fixes a common #FirstWorldProblem: having to figure out how to send someone an instant message during a voice or video call. Now, the new Skype 7.0 update brings the split-screen view shown above. Improved multi-person video calls, easier sharing, and chat syncing across devices rounds out the update. 
Skype 7.0 for Mac is a. Some more screenshots are below.
Skype For Mac Version
Delete Shared and Config xml files: Press Command+Shift+G at the same time and the Go to the folder will show. Type ~/Library/Application Support Open the Skype folder Look for shared.xml then drag it to the trash Open the folder with your Skype Name and drag config.xml to the trash as well. Rename Skype Folder: Press Command+Shift+G at the same time and the Go to the folder will show.
Type ~/Library/Application Support Search for Skype and rename it to SkypeOld Try launching Skype then sign in again. If that does not work. Launch the Finder > Applications Right click Skype > Move to Trash Restart your Mac Log on to Click on Downloads Click on the dropdown from the blue button: Click on Get classic Skype. Best, Andre Windows Insider MVP MVP-Windows and Devices for IT twitter/adacosta groovypost.com. Which version of macOS is installed?