How can I export my Office 365 mailbox to PST without using Outlook?

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If you want to export your Office 365 mailbox to PST without installing or using Outlook, the easiest and safest method is to use a professional automated solution. The manual eDiscovery method is complicated, requires admin rights, and takes nearly 24 hours to complete. That’s why most users prefer the DRS Softech Export Microsoft 365 to PST Tool, which directly exports your complete mailbox—including emails, attachments, contacts, and more—into PST with just a few simple steps and without Outlook dependency.
Simple Steps to Export Office 365 Mailbox to PST Without Outlook:

1. Launch the DRS Softech Export Microsoft 365 to PST Tool.
2. Sign in using your Office 365 account credentials.
3. Select the mailbox folders you want to export → Click Next.
4. Choose PST as the saving format.
5. Pick a destination path and apply filters (optional).
6. Click Convert to export your Office 365 data to PST.

More Info: Export Office 365 Mailbox to PST