Kindly note that the offline mode should be enabled in both the accounts and both the accounts should be signed-in to before going offline.Īlso, if you don’t know how to switch from one Gmail offline account to another, refer: How to switch to a Secondary Gmail offline account.
If you don’t know how to turn on Gmail offline, refer: How to turn on Gmail Offline. To access Gmail from a secondary account without an active internet connection, you need to enable Gmail offline from that particular account too.