If the resolution is not 72 or 96, then you can change it here. and check the width, height and resolution.
If your slides dont include animations, transitions, or media, then the frames-per-second (FPS) rate of the finished GIF will be the inverse of the Seconds spent on each slide setting you choose when you create the GIF. All animations, transitions, and media (such as video or GIF) on your slides will be included in the finished GIF file. Note: For Mac users, it's always good to open the flyers in Mac Preview and go to Tools->Adjust Size. PowerPoint doesnt let you change it to a finite number of repetitions. Microsoft PowerPoint for Mac (Version 15 or above)
Click on the ' Slide Size' and select 'Custom Slide Size.'.To export PowerPoint slide(s) with the correct resolution of 1920x1080 in JPG format
