Connecticut State Colleges & Universities
IT Support Center

Office 365 - OneDrive for Business

OneDrive is Microsoft's cloud storage service. OneDrive for Business allows you to store, sync and collaborate on documents with others. OneDrive for Business lets you update and share your files from anywhere and work on Office documents with others at the same time.

If you are already familiar with OneDrive, note that OneDrive for Business is different from OneDrive. OneDrive is intended for personal storage separate from work. OneDrive for Business is online storage intended for business/educational purposes. OneDrive for Business is managed by CSCU and lets you share and collaborate on documents. Microsoft provides additional information on the difference between OneDrive for Business and OneDrive

Read our FAQ OneDrive for Business Standard for Faculty/Staff


On May 21, 2021, all OneDrive, Microsoft Teams and SharePoint document libraries will begin to display icons if content matching specified Protected Data elements is found. As these Protected Data elements are not to be located in these locations, action will be needed to be taken. Refer to the DLP FAQ page for information.


  • 1 TB (terabyte) of storage for all your documents.
  • Synchronize files across all your devices so you have your documents wherever you are using the OneDrive mobile app or the Microsoft OneDrive sync client for your workstation.
  • Quickly search and find the documents you need.
  • Easily collaborate by sharing files with others and co-authoring documents.
  • Version History and Recycle Bin features.


  • Storing of Outlook data files (*.pst) is not allowed.
  • Faculty/Staff usage needs to comply with the OneDrive for Business Standard including not storing DCL3 data.
  • Anonymous sharing is not allowed. When a file is shared, users will be prompted to login to access the shared document. CSCU Faculty/Staff/Students must use their university or college provided Office365 account. Other users without a CSCU Faculty/Staff/Student account will use a personal Microsoft Account to access the shared document.