The limitations of UT Vault are as follows:
UT Users
Maximum file size: 15GB
Cumulative Storage: 50GB
Non-UT Users
Maximum file size: 15GB
Cumulative Storage: 30GB
How long will files be stored in Vault?
The Vault (or UT Secure Courier) application is NOT for permanent file storage and will only store files for up to 14 days. Files will automatically be deleted from the system 14 days after they are uploaded.
NOTE: There is not a backup retrieval option for files that have been deleted.