Turn a finished album into an Instagram post

File > Duplicate for different size, then pick an Instagram size under Social / Digital. When converting a vendor book project to an Instagram post, review the aspect ratio conversion BookProofs needs to apply to convert from your original album design. Portrait aspect ratio books convert somewhat easier than square or horizontal projects, but either way the conversion is still a good starting point to work from.

Starts at 2:09 in the project size videoWatch on YouTube