Download MiShareExtension chrome extension. Mitel MiCollab MiShare Extension to share application / screens and collaborate with other MiCollab AWV users in meeting. and install in your Google chrome browser. This is Direct MiShareExtension Crx download for Chrome it is also called MiShareExtension offline CRX for chrome Download. This MiShareExtension is used to Mitel MiCollab MiShare Extension to share application / screens and collaborate with other MiCollab AWV users in meeting.