The method of cross-domain transfer with preserving file IDs using Google Shared Drives is well described here.
Summary:
- Setup Google Shared Drive.
- Neutralize files’ ownership in the Shared Drive.
- Assign new ownership.
If you do not have access to Google Workspace (former G Suite), you can take advantage of ready-made solutions available in the Google Workspace Marketplace and also available here as a web application.
The transfer of one or several files falls into the free quota of the above mentioned utilities.
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