You can upload local files or folders to OBS.
You can upload a maximum of 500 files at a time. If you need to upload more files, place the files in a folder and use the Upload Folder function to upload the folder. For details, see Related Operations.
You can upload a folder or multiple files at a time. To upload multiple files, hold down Ctrl or Shift to select multiple files. You can also select all the files on the current page by holding down Ctrl+A. The operations are consistent with those on the Windows operating system.