With OneDrive for Business, you can upload or sync files up to 250 GB.

The following characters are not allowed in folder or file names:

" * : < > ? / \ |

You also cannot have spaces at the beginning or end of folder and file names.

For information on restrictions and limitations when you sync files to your computer through OneDrive for Business, please see https://support.microsoft.com/en-us/office/invalid-file-names-and-file-types-in-onedrive-and-sharepoint-64883a5d-228e-48f5-b3d2-eb39e07630fa.