Backup O365 outlook to Local HDD

Allan Fernandes 61 Reputation points

If my customer wants to backup their O365 outlook data to PST 's on Premise (Local HDD) how can I do it using Microsoft Graph API or any Development tool ?

Microsoft Graph
Microsoft Graph
A Microsoft programmability model that exposes REST APIs and client libraries to access data on Microsoft 365 services.
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Outlook Management
Outlook Management
Outlook: A family of Microsoft email and calendar products.Management: The act or process of organizing, handling, directing or controlling something.
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  1. Andy David - MVP 142.6K Reputation points MVP

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  1. Jade Liang-MSFT 9,956 Reputation points Microsoft Employee

    Hi @Allan Fernandes ,
    Welcome to our forum.

    If my customer wants to backup their O365 outlook data to PST 's on Premise (Local HDD)

    As I know, for your requirement, we actually could back up our data via exporting a pst file directly in Outlook desktop client. Here are detailed steps:
    File> Open & Export> Import/Export> Export to a file> Outlook data file(.pst)>choose the data that you would like to export>Browse the location>Finish

    Hope that would be helpful to you. If your issue has any update, please feel free to post back.

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