As of the release the recovery of Argent zkSync Era wallet is possible off-chain only, however, in future, on-chain recovery of the wallet with zkSync Era guardians is planned.
If you have your encrypted key, you can proceed with the off-chain recovery.
In order to be able to recover your zkSync Era wallet alongside with Vault and zkSync wallets, you will need to save or update your encrypted key.
You can find the guide on saving the recovery key here.