Uploading files and photos
Upload photos and files to OneDrive
Depending on the web browser you use, you can upload files up to 10 GB in size.
On OneDrive, browse to the location where you want to add the files.
Tap or click Upload.
Drag your files into the Drop files here area, staying on the page until they finish uploading, and you're done.
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Tap or click select them from your computer.
Pick the files you want to upload, and then tap or click Open.