I was wondering if Adobe Campaign was an open source? Ca you upload graphics, audio files, video and documents to it? Is there a capacity limit for projects, users, and file sizes? What platform is it on? And can it be integrated with Microsoft?
There are APIs. Depending on the version you use, they may be available under license.
About support, that would depend on your contract. You may want to get in touch with a sales rep to have further information on this. There are different options available to suit your needs.
About training, there are trainings online, onsite trainings, etc.
We do have a consulting team that can work on specific features depending on your version of the product and what is technically achievable.
File upload limit will depend on the setting of your webserver. For example, if you use Campaign v6/v7 and IIS as an on-premise web server, there are options in there to change the size limit of files to upload.
Adobe Campaign is not open source. It is a cloud-based solution. Depending on your needs and version, you can manage assets through the Marketing Cloud platform, such as bitmaps, videos, etc.
Capacity will depend on the infrastructure you have.
It can be hosted on several cloud platforms such as Amazon Web Services or Microsoft Azure, if this is what you are referring to as Microsoft integration. If you are referring to Dynamics CRM, there is also an existing integration between the two applications.