iOS 15 Drag and drop feature is a fast and easy way to move photos, video, text and files between different apps. It is built in to iPhone iOS 15, but this video will show you all the best things ...

You can drag and drop files into OneDrive by locating and selecting them in Windows' File Explorer and moving them to the OneDrive folder.

Just pull it over the files you want, and they will automatically be selected. From here, you can click on the group and then drag and drop it into a different folder or mass-delete them.