The only requirement is that the meeting has to be open for guests. Yes, you can join a Microsoft Teams meeting without an account from any device. Get Microsoft Office Professional for just $59 – includes all the essentials like Word and Excel, in addition to Outlook, Access, Publisher, and OneNote. Available for Windows, Mac and mobile platforms, you can download Teams here and join your workgroup and conference calls with ease. Some of the limitations on the free plan include video group meetings for up to 60 minutes, up to 100 participants per meeting and 5 GB of cloud storage per user. Microsoft Teams is free to download for personal use or for organizations up to 300 users. Teams lets you organize chats with teammates, participate in video conferences, and share files. Microsoft Teams is a communications platform for workgroups that competes with Slack, Zoom, and Webex, however it comes with the added advantage of fully integrating with the Microsoft Office ecosystem.