The links below list the current limitations for OneDrive for Business. The OneDrive for Business sync client can be installed through Self Service for MacOS / OS X (available to staff and students) and should be installed on most Windows workstations already. If you are using OneDrive for Business from home, the latest client can be downloaded directly from Microsoft.
Storage limit: OneDrive for Business is currently set with a 1 TB limit per person.
Invalid File Names (Note: although not mentioned in this article, the # and % characters are also no longer valid)
Types of files that cannot be added (Note: this is specific to SharePoint Online which is used in Teams and other departmental functions)
Further restrictions when you sync files and folders