The following process will guide you in how to request files to be uploaded to your OnDrive
Step 1: Navigate to Office.com, sign-in and click the menu button and select OneDrive:
Step 2: From the menu on the left, click My Files to load your OneDrive folder content.
Step 3: Create a folder, check the button next to it and then click the Request Files ribbon button:
Step 4: Enter a description and click Next:
Step 5: Either copy the URL and click Done and send that URL out to the email recipient:
or
Enter the recipient's email address, a message and then click Send
The recipient will now be able to upload files to your OneDrive: