Does the receiver need to register?

No. Both sides can complete a guest transfer without creating an account.

How long does the link remain useful?

It is a short-lived, one-time invitation intended for an active transfer, not a permanent download link.

Guest transfer currently handles one file per room. Start another one-time room for the next file.

Guest transfer is designed for quick, single-use handoffs: select a file, share an invitation, and keep both pages open until it arrives.

Choose Guest transfer Open moc and choose Send a file without signing in. Select one file up to 100 MB.
Send the invitation Share the private link, QR code, or six-character code with the intended receiver.
Let the receiver review it The receiver can check the file name and size before accepting. File bytes do not start moving before Download is chosen.
Complete the one-time transfer Keep both browsers open until completion. The room is destroyed after the transfer and is not a reusable sharing link.

Does the receiver need to register?: No. Both sides can complete a guest transfer without creating an account.
How long does the link remain useful?: It is a short-lived, one-time invitation intended for an active transfer, not a permanent download link.
Can I send multiple files?: Guest transfer currently handles one file per room. Start another one-time room for the next file.