OneDrive
Onedrive is a file hosting service provided by Microsoft, designed to store, share, back-up and synchronize files.
You can use OneDrive storage as a source for Import, as a target for Export, and as source and target for Data Flow.
Establishing Connection
To create a connection with OneDrive connection, sign in with OneDrive.
Create Connection
To create a OneDrive connection, perform the following steps:

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Click Sign In with OneDrive.
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Enter your Email, phone or Skype and click Next.

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Enter your password and click Sign in.
Connector Specifics
Files on OneDrive are accessed not by a file name, but by their unique ids. This causes the following behavior: if you replace a file, used in an import, on OneDrive, you will need to edit the integration and reload the source file in it. Otherwise, the import won't be able to find the new file with the same name on OneDrive when run next time.
Useful Links
How to Integrate OneDrive with Salesforce: Step-by-Step Guide