Hi @Iniobong Nkanga
it is recommended that you use a retention policy to delete the content.
- Sign in to the Microsoft Purview compliance portal > Solutions > Data lifecycle management > Microsoft 365 > Retention Policies.
- Select New retention policy to start the Create retention policy configuration, and name your new retention policy.
- Choose Static, Teams chats, specify the user you want to include.
- For Decide if you want to retain content, delete it, or both page, specify the configuration options for deleting content.
- Complete the configuration and save your settings.
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