max. size of personal website is 10 GB / user and max. number of items (files and folders) in OneDrive is 20 000, in other document libraries 5 000
the maximum size of a team site is 25 GB / user and the maximum number of items (files and folders) in each document library is 5 000
it is not allowed to upload these types of files to the document libraries: * .bat, * .cmd, * .config, * .dll, * .exe, * .json, * .ps1, * .url, * .vbs, etc.
file names can have up to 128 characters. Folder names can contain up to 250 characters. File name and folder name combinations can have up to 250 characters.
invalid characters in file name: \ /: *? “> | # {}% ~ & and also a file name that begins with a dot . or contains two dots .. is not supported
Students:
max. size of personal website is 1 TB / user and max. number of items in OneDrive is 20 000, in other document libraries 5 000