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Based on my research, the USB receiver and the keyboard are typically paired one-to-one. This means that you usually cannot replace a lost or damaged USB receiver by simply purchasing a new one, as it may not be compatible with your existing keyboard.
For more accurate and personalized assistance, I highly recommend contacting Microsoft Store Support directly: Help with Microsoft Store purchases - Microsoft Support
If you have any questions related to Microsoft 365 products, please don’t hesitate to reach out. Thank you for your understanding.
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