There is no way to migrate an account and take your old toots with you. You download those via the *export* function in Mastodon, or using Mastodon Archive, but you *cannot import* then back. The API does not allow it.
It also makes no sense to *repost* toots on your new account: you would be annoying everybody under the sun as the local timeline gets flooded and all the mentioned accounts get notified again. Even if you decided to post them all unlisted, notification would still be a problem. And all the timestamps would be wrong.
What currently works: account migration: Settings > Edit profile > Move to a different account.
1. Your toots stay.
2. Your followers get notified and might or might not follow your new account.
3. You keep the people you follow so you won’t miss a thing.
4. Their toots start populating the federated timeline of your new instance; this will help small instances get better connected to the rest of the Fediverse.
#Mastodon #Mastodon Archive