Office 365 is the most popular cloud-based email client and it is very helpful for growing Business. That is the reason, the people are migrating from another email-client to Exchange Online

Here you can use these best two methods to Upload Outlook PST to Office 365. And this step by step guide will help to convert whole PST data to o365 Cloud Platform. 

Method 1: Import PST to Office 365 using the Microsoft Network Upload process

Before transferring the PST to Exchange Online you need to provide the sharing permission of the folder where your PST file locally saved. And after allowing the sharing permission, assign the role of the Mailbox Import Export permission under the admin role option. 

Note: You can also use the Exchange Admin Center or PowerShell command for allowing the Import Export role. 

Step 1: Install the Azure AzCopy tool and copy the SAS URL

First login the Office 365 Administrator mailbox and go to the Admin window.

Then click Data Migrations under the setup option>> click Upload PST files >> New Import Job

Now type the job name >> check on upload your data option >> Next

An Import Data window will appear on the screen. Here click Show network upload SAS (Shared Access Signature) URL then download & install Azure AzCopy tool.

Step 2: Upload PST into Azure AzCopy Tool

Once the tool installed, you need to run this Azure Storage as an administrator or put the following command on it. 

AzCopy.exe/Source:\\Network Path/Dest:”SAS URL”/V: give the location to save log file\AzCopy.log/Y

Step 3: Create and browse the Mapping file

When the PST file successfully transfers into the Azure AzCopy tool and then creates a CSV file with Workload, FilePath, Name, Mailbox, IsArchive, TargetRootFolder and save it into .csv format.

After creating the CSV file check on both prepare the mapping file option >> Next and browse the created CSV file by clicking on Select mapping file and Validate it. 

Once the file successfully validates hit on save. When it completely has done go the import window under the Security & Compliance >> click ready to import to Office 365 option. 

Note: After that, you can export the complete data or also the selected one using the filter option.  

Method 3: Automated third-party tool to upload PST to Office 365

In this process, you can use the best and award-winning software, A2Z Migrations for PST to Office 365. Through this software, you can upload whole Outlook PST data (emails, contacts, calendars, appointments, tasks, journals, and attachments, etc) into the o365 Exchange Online environment. Using this solution, the user doesn’t need any Windows PowerShell or Azure AzCopy tool to import PST to Office 365. And the technical or non-technical users can easily execute this PST to Office 365 Migration Tool without any issue.  

It is also capable of all windows (10, 8.1, 8, 7, XP, Visita, and all oldest versions) and Outlook (2019, 2016, 2013, 2010, 2007, and 2003, etc) edition. 

It allows multiple features for converting PST to the o365 Cloud Platform. 

Export single or multiple PST: You can easily or parallelly migrate the Single or Bulk PST file to Office 365 Mailbox at a time.

Move PST to o365 Primary or Archive Mailbox: The software allows the migration from Outlook PST to Office 365 Primary or In-Place Archive using the bulk Export feature.

Import PST with and without Impersonation: The tool provides two bulk options (with or without Impersonation rights), in these both features the user can move the multiple PST to Office 365 at ance or similarly.

Easily add PST file: It has a full user interface with a 100% safe and secure environment, that will help you to easily access this tool and add the PST in a few clicks.  

Note: This is a very reliable and affordable PST to Office 365 Converter and you can buy its full version at very starting price of $10.14 per mailbox. 

Conclusion: In the above post, I explained the possible way of uploading the PST file data to Office 365 Exchange Online. Here I also discussed two methods one is network upload method or another is Third-Party software, you can use any one of them.