How to Open PST File in Office 365 – Free Tips

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  • Updated on May 25th, 2023

Summary: This blog is for all those users who want to open PST file in Office 365. Often users want to Open PST Files in Microsoft 365 without Outlook but can’t find a suitable method to do so. This can be done using both manual and professional PST Converter Tool. Let’s discuss all the effective solutions for you.

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Microsoft Outlook allows its users to store their data and files in the PST file format (.pst). But sometimes users try to open PST file in Office 365 and search for an operable solution. Before we come to know the method to perform migration, we will discuss what is PST and Office 365.

Let’s Know about PST and Office 365

PST File: A PST stands for Personal Storage Table (.pst). It is a Microsoft Outlook application file extension. A PST file is used to store items like email, calendar events, contacts, and others within Microsoft Software like Microsoft Outlook and Microsoft Exchange Clients.

Office 365: Office 365 is a cloud-powered productivity platform of Microsoft Office suite. With a subscription to Office 365, you can use the latest productivity applications, such as Outlook, Powerpoint, Excel, Word, and others, and can install them on your laptops, PCs, and phones.

Manual Process to Open PST File in Office 365 Account

For instance, a user is having a PST file downloaded in his system and he is willing to open that PST file in Microsoft 365.  So, he needs to follow the steps mentioned below:

  • To open the tool (Microsoft Outlook) on your System.
  • Click on the File tab on the taskbar.
  • Click Open & Export and then Import/Export.
  • Select Import from another program or file from the Import and Export Wizard, and click Next.
  • In the Import a file dialog box, choose Outlook Data file(.pst). And click Next to continue.
  • To locate the PST File, click the Browse button in the Open Outlook Data File dialog box.
  • Select the PST File and click Open.
  • At last, choose the Do not Insert duplicates Then click Next to continue further.

This manual process to open PST file in Office 365, needs plenty of time from users and it is a bit lengthy to follow. This procedure includes technicality, which may lead to some complexity for users especially if the user belongs to a non-technical background. Also, this procedure has high data loss chances.

Go for Professional Solution to Open PST File in Microsoft 365

To avoid such time-consuming and complex procedures, the best alternative is to go for a professional solution. DRS PST to Office 365 Migration Tool is the best way to open PST file in Microsoft 365.

This tool allows you to open your Outlook PST to Office 365 in a few simple and easy steps without Outlook installation in your system. Some of its features are:

  • It can migrate all the Outlook items, that is, inbox, draft, sent, outbox, etc. swiftly and maintains data integrity.
  • It provides multiple file selection features so you can export any number of files and folders at once.
  • It is consistent with all versions of Windows OS.
  • Also, it allows you to migrate only necessary Outlook emails and leave all the attachments.


To open PST file in Office 365, a manual procedure can demand a sufficient amount of time and can be complex for a non-technical user. So, use the professional tool to save your time and perform hassle-free migration. A Professional tool is a highly recommended application for users.

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