Problem with uploading Multiclip pack

Hello! I have a question. I want to upload into category motion graphics a package of footages a non-standard format, for example 2000x1500 or 1300x2200 with alpha-channel, it is possible or the standard format is necessary. And also the problem with the zip-file size, it is more 3Gb. It is possible to upload it?

The maximum file size allowed is 3GB. So, in this case you can Contact Support and let them know.