Import PST to Outlook Web Access (OWA)

Himanshu Goyal Himanshu Goyal Updated On - 25 Oct 2019

Many Exchange and Office 365 users have submitted queries related to “importing PST to Outlook web” on Microsoft forums. Though Outlook desktop application is regularly used by most users, many users still prefer to use Outlook Web Access (OWA) for managing their emails.

When users need to import PST to Outlook Web Access, they often don’t find a viable solution for it. So, here we are going to elaborate some effective methods to import PST to Outlook Web Access.

Distinction Between PST and Office 365

  • PST: Known as Personal Storage Table, PST is the file extension for MS Outlook database file. It enables users to access data of accounts that are configured in Outlook with a POP enabled account. So, whenever you configure an account to MS Outlook, its information will be stored in PST file format.
  • MS Office 365: Office 365 offers a cloud platform that facilitates universal access of mailboxes through Outlook or a web-based interface which is usually referred to as OWA – Outlook Web Access.

Methods to Import PST to Outlook Web App

If the PST file is stored on your system, then using the Microsoft Azure AzCopy Tool, you can easily migrate the PST file to Office 365 account, and then access it via Outlook Web Access. However, if you want to import data that is configured with MS Outlook, then you’ll have to export this data to a PST file, then import it to Outlook web app. To export Outlook data to PST format, you can use Import/Export wizard of MS Outlook.

Here we are going to discuss how you can import PST to Outlook web app, which can be achieved by performing Network Upload method. So, here is a complete overview of Network Upload method.

  1. Download & Install Azure AzCopy Tool
    • Visit https://protection.office.com/ and sign-in with Office 365 global administrator credentials.
    • After signing in, go to Security & Compliance Center and select Data Governance, and then click Import.
    • Open the Import wizard, click New Import Job, and provide a name to the import job.
    • Click Show Network Upload SAS URL and copy the URL.
    • Select the Upload option and click the Azure AzCopy option to download the Azure AzCopy Tool.
    • Now, run the Azure AzCopy software to import the PST file to Outlook Web app
    • Run the following command to open PST file in Outlook Web app
    AzCopy.exe/Source:/Destination (URL path created from Show Network Upload SAS URL)/V: (Verbose log file)/Y
  2. Create PST Import Mapping File

    Once the PST file is uploaded to Azure location, you’ll have to move it to Office 365. This can be achieved by creating a CSV file with information of user mailboxes and PST files. The CSV file will be used while creating the import job.

  3. Creating PST Import Job in Office 365

    After creating the CSV file, you’ll have to validate it.

    • In the Import Data wizard, check the options “I’m done uploading my files” and “I have access to the mapping file.
    • In the next step, upload the CSV file, and then click Validate CSV file.
    • Office 365 will start analyzing the data and enable users to set specific filters before importing the PST to Office 365. Finally, click Import data and start the import job.
    • However, if you want to import complete data to Office 365, then select “No, I don’t want to import everything.

The PST file will be imported to Office 365. Now, you can access it via Outlook Web Access easily. Well, this is not the only manual method to import PST to Outlook web app. Users can also use Drive Shipping Method to import PST to Office 365.

Limitations of Manual Methods

The manual method does provide a reliable solution to import PST to Outlook web app, but there are some limitations to it, such as:

  • You cannot import more than 2GB of PST file to Outlook Web Access with the Network Upload method.
  • Both these methods are very complicated and require technical expertise to perform. So, not ideal for non-technical users.
  • Using any wrong commands can lead to loss of your PST data, and you’ll have to start again

So, to overcome these limitations, there is an alternative solution that can be used to import PST to Office 365, and then access the PST via Outlook Web Access.

Kernel Import PST to Office 365

Kernel Import PST to Office 365 is designed with advanced algorithms to make it easy for non-technical users to import PST files to Office 365 mailboxes. Follow the below steps to better understand the process:

  1. Download and install Import PST to Office 365 tool on your system.
  2. Launching the tool will open the home screen, click Add Source to add the PST file.
  3. After adding PST, click the Add Destination button to add Office 365 account.
  4. Enter the credentials for Office 365 account, check the option Single Mailbox/Office 365 Group, and then click Add.
  5. Once both the PST file and Office 365 account are added, map the PST file with the destination mailbox; click Set Filter and Migrate.
  6. In the next wizard, select the type of mailbox to import the PST file and click Migrate.
  7. Apply specific filters to the PST file based on your requirements and click I am OK, Start Migration.
  8. Once the migration process is complete, a notification will appear on your screen confirming the same.

Click Ok to end the process, and if you want to create a CSV format for the import process, click Save report to CSV.

Conclusion

Importing PST to Outlook Web Access becomes crucial in many situations. As the manual methods are not that ideal for every user, we have mentioned here an automated solution that is helpful for every user.