Hello @DonaldS36 ,
Does either of the following troubleshooting steps alleviate the upload issue for that gif?
Open image in Photoshop > File > Export > Save for Web > Leave default settings and click Save
Compressing the Gif (using lossy compression is available)
Converting the Gif to an MP4 filetype, then converting back to a Gif
Putting the Gif in an image hosting site, then adding it to your email via the Image URL method
Making sure the Gif matches all the optimization criteria
If none of those alleviate your issues, please respond to the automated @ mention email with the Gif attached so we can investigate further.
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