To update the links, find the Custom Fields section of the post and look for something like EmbeddedVideo1. There you’ll see a lot of code but you only need to change the highlighted blue part in this screenshot.
Note the numbers and/or letters at the end of the link. In this example, the end of the link is
56454d327f0. Look in the spreadsheet and find the link of the associated mp4. In this example it’s
Your new link will be like
https://static.video.factcheck.org/vid/THIS-PART-IS-DIFFERENT-FOR-EACH-VIDEO.mp4. Copy the example link.
Please delete everything in the quotes after
Paste the new link between those quotes after
Save your work.