Only users that have been created by your “master admin” will be able to see the files. For example, Customer A in Austin, TX will not be able to access Customer B in Boston, MA’s files because they are in a different account.

Yes, we use SSL and 256bit encryption on our website.

Currently, there is no limit. To keep it this way, please be respectful with the size and number of files you are uploading.

Yes you can.

Currently, the space is unlimited within reason. So, to keep it that way, try and keep the size of your files to a reasonable level.