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Power Platform Community / Forums / Power Automate / Reading other users' e...
Power Automate
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Reading other users' emails

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Posted on by trannguyen0410 55
I am working on a task to build a flow to read emails and save them as .eml files to SharePoint, and now I want to use an admin account to build the flow and access users' emails to read and save them. Is there any other way without using App Registration, because the CLIENT_SECRET will expire after 24 months and I will have to ask the IT Admin to provide it again, which is a bit inconvenient.
Categories:
Building flows
Using connectors
Using flows
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  • Suggested answer
    11manish Profile Picture
    11manish 2,234 on at
    Use:

    App Registration + Certificate Authentication + Microsoft Graph API
     
    instead of client secrets.

    This is more secure, scalable, and avoids frequent secret renewal issues.

    For most Power Automate email archival scenarios, the shared mailbox approach is usually the easiest and most maintainable solution.
  • MS.Ragavendar Profile Picture
    MS.Ragavendar 6,923 Super User 2026 Season 1 on at
     
    There is no supported way to access all user mailboxes using only an admin account in Power Automate.
     
    To avoid client‑secret renewals:
    • Use Shared Mailboxes (recommended)
    • Or use Certificate‑based App Registration instead of secrets
    ✅If this helped, please Accept as Solution to help others ❤️ A Like is appreciated 🏷️ Tag @MS.Ragavendar for follow-ups.

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