Select New and choose the type of file you want, like Word, Excel, or PowerPoint.
To rename the file, click the title of the file in the title bar, for example Document, and then type a name. All changes are automatically saved in the Office online apps, so when you go back to OneDrive, your new document is already saved.
Create a file in an Office desktop app
Open a desktop app, like a Word document, Excel workbook, or PowerPoint presentation.
Select File > Save As.
For the location, select your OneDrive for Business account.
Type a name for the file.
Select New > Folder.
Type a name for the folder.
Select the files you want and drag them into the folder.