How to sweep coins from an existing monero address if you have all the keys?

Question

I have a bunch of xmr addresses with all the keys. How can I sweep the coins from these addresses into my own? Which wallet support this feature?

Answer 1

You can't. Need to restore each wallet separately and sweep one by one.

How do I restore a wallet with seed?

If I saved my view key and spend key can I recover my wallet if my mnemonic seed is lost?