My Teams chat messages from May 28th were automatically deleted, and I need to recover them.

LE, TRUONGGIANG 0 Reputation points
2026-09-24T02:58:06.8366667+00:00

I want to search the message via teams with KADOOKA, [Moderator's note: personal info removed]@mail.nissan.co.jp> san during the period starting from May 28

Microsoft Teams | Microsoft Teams for business | Chats | Search messages and conversations
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  1. Kien 1,710 Reputation points Independent Advisor
    2026-09-24T03:11:42.91+00:00

    Dear LE, TRUONGGIANG,

    To ensure I understand your request correctly and to support you as effectively as possible, I need more specific information from you:

    Was this a one-to-one chat, group chat, meeting chat, or channel conversation with this user?

    Are the messages missing only from your Teams desktop app, or are they also unavailable in Teams on the web?

    Do you know whether the messages were deleted manually or automatically by your organization’s retention policy?

    Are all messages from that period missing, or only messages exchanged with this user?

    Can you still find and open the conversation using the person’s name or email address in Teams search?

    Do you have a Microsoft 365 administrator or compliance administrator who can perform an eDiscovery search?

    Were any specific keywords, files, links, or meeting names included in the missing messages that could help refine the search?

    Your provided information will help me assist you more promptly and efficiently.

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