OneDrive for Business: Restrictions and Limitations
- Up to 1 terabyte (TB) of data can be stored
- Individual files cannot exceed 10 gigabytes (GB)
- Up to 20,000 individual files or folders can be synced with the ODFB client
- File names beginning with a tilde (~) are not supported
- There is a 225 character limit for the file path (site name + site location + folders + filename) of files synced with the ODFB client
- The following characters are not supported in file names can be found here: https://support.office.com/en-us/article/invalid-file-names-and-file-types-in-onedrive-onedrive-for-business-and-sharepoint-64883a5d-228e-48f5-b3d2-eb39e07630fa#invalidcharacters