However, saving a large file on your Mac will take up a huge amount of storage space for your device and cause inconvenience. When you waste time finding the 'Stop' button, the recording duration is getting longer and longer so that the size of the captured file during this process would be large. If you are not familiar with QuickTime Player, perhaps you will not find the recording bar when you want to stop recording. Stop QuickTime Screen Recording Using Key Board Method 2. Force Quit Application to Stop QuickTime Recording Method 3. End Screen Recording in Activity Monitor Bonus Tips: How to Record Screen on Mac with No Lag ★★★ How to Stop Screen Recording on Mac