{"id":7556,"date":"2026-10-01T12:15:58","date_gmt":"2026-10-01T12:15:58","guid":{"rendered":"https:\/\/www.arysontechnologies.com\/blog\/?p=7556"},"modified":"2026-10-01T12:22:42","modified_gmt":"2026-10-01T12:22:42","slug":"export-exchange-online-archive-to-local-pst","status":"publish","type":"post","link":"https:\/\/www.arysontechnologies.com\/blog\/export-exchange-online-archive-to-local-pst\/","title":{"rendered":"Export Exchange Online Archive to PST: Easy Methods to Download, Save & Backup Emails in 2026"},"content":{"rendered":"
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User Query: <\/strong>I need to export a user\u2019s 370 GB Exchange Online Archive to PST, preferably with the emails divided into separate PST files by year. The export has been processing for several days, but the archive still appears to be around 370 GB. Is there a more efficient way to export this large archive without prolonged processing or risking missing emails?<\/span><\/em><\/p>\r\n

Daniel Foster<\/b>
<\/b>Microsoft 365 Administrator<\/span><\/em><\/p>\r\n<\/div>\r\n

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Introduction: Organizations can export Exchange Online Archive to local PST for long-term retention, compliance, eDiscovery, offline access, tenant migration, employee offboarding, or backup. Since an Exchange Online Archive exists separately from the primary mailbox, you need the appropriate permissions in Microsoft 365 and an appropriate process for exporting it.<\/span> \u00a0In this guide, we will go over the native method and professional methods of the Aryson <\/strong><\/span>Exchange Online Backup Tool<\/b><\/a>, requirements, step-by-step processes, limitations, and best practices to securely export the archived mailbox data. <\/span><\/strong><\/em><\/p>\r\n

Download Now<\/a>\u00a0\u00a0 Purchase Now<\/a><\/span><\/p>\r\n<\/div>\r\n

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