Manually copying folder hierarchies from Google Drive to OneDrive wastes time and invites errors. A TechResolve tutorial shows how a Python 3.8+ script can automate the process, using Google Drive API v3 to enumerate folders and Microsoft Graph API v1.0 to recreate them in OneDrive, eliminating the need for costly third‑party sync tools.

First, the script authenticates with Google via OAuth 2.0, storing refreshed tokens in a local token.pickle file. It then recursively lists folders using the `files().list` endpoint filtered by the folder MIME type. For OneDrive, it employs the MSAL library’s device‑code flow, requesting Files.ReadWrite.All scope before posting new directories to the `me/drive/root:/…/children` endpoint.

Running the sync yields a mirror of the Google Drive tree under a chosen OneDrive root, freeing DevOps engineers to focus on higher‑value tasks. Practitioners should watch API rate limits and handle special characters in folder names. Future enhancements could schedule the script, extend it to file transfer, or add bidirectional conflict resolution.