How to update your status in Skype - Mac. Skype – Send a file to your Skype contact by transferring the file online with Skype within seconds. While you can do this on a Windows or Mac computer, you cannot share your screen on mobile. This wikiHow teaches you how to show your computer's screen to a Skype recipient during an audio or video call. In this Article: Article Summary Community Q&A. You have issues with the Presence Indicator in Skype. Your Outlook and Skype integration is not functioning properly. Common reasons you might want to clear the Skype for Business cache include: 1. Skype for Business (Skype, previously Lync) caches files locally on your computer to improve use by pulling information quickly and efficiently. Ghow To Send Files In Skype For Business Mac 3,8/5 8307 votes