Hi @munisha jariwala ,
Before going further, could you elaborate it a bit more about which email server you are using?
Assuming you are runing Exchange Online or on-premise Exchange server, do you mean moving mails from the primary mailbox to the archive mailbox by "archive"? If this is the case, for Exchange Online, you may refer to the suggestions as provided by michev. If you are using Exchange on-premise, similar to what is mentioned in the first link shared by michev, you can create a default policy tag as follows with several personal retention tags based on users' need:
Then create a retention policy using these tags and apply to the users. For more informaiton, hopefully you can find the documentations below helpful:
- Retention tags and retention policies in Exchange Server
- Create a retention policy in Exchange Server
- Apply a retention policy to mailboxes in Exchange Server
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