Are you looking for a way to import OST file to Office 365 account? Have you ever tried to do it manually? Here, in this blog, we have come up with a suitable approach for converting emails, contacts, calendar of OST file to Office 365 suite.
With the growing popularity of digital marketing, a mode of communication is also increasing nowadays. There are different platforms or email clients for sharing messages, meetings, events, and so on. Each email program often has its own file extension used to store crucial data. One such file format is OST that belongs to Microsoft Outlook. However, the biggest challenge comes when a user wants to convert OST file to Office 365 account. The need will arise in a similar way due to any personal or professional reasons too. There are some users who want to save email messages Office 365 so that they can easily access the entire data at any time. As everyone knows, Microsoft Office 365 is a cloud application that can be developed by Microsoft. It is a safe and secure place where users can store their most important data. Therefore, in this blog, we are going to discuss a manual way to let users understand how to export OST emails, contacts, calendar to Office 365 Account in a clear way.


Manually Transfer Outlook OST File to Office 365 Account
There is no direct way to export OST emails into MS Office 365 suite. Therefore, first users have to move OST file to PST and then, import PST file to O365 profile. This technique is categorized into two steps:

Step 1: Convert an OST File to PST Format
To import OST file to PST format there are several methods available that users can use.  case, if the below mentioned method gets failed then, users can take help of a commercial solution. All these methods are broadly categorized as:
A) Create a New PST and copy OST file in it
B) Using Archive feature of MS Outlook
C) Using Export feature of MS Outlook

A) Create New Outlook data file (.pst) & save OST in it
  • First, you need to launch Outlook application
  • Then, create a new .pst file in Microsoft Outlook
  • Now, you can copy a specific mailbox folder and paste it into Outlook PST file
B) Use Archive Feature of Outlook mail client
  • Open MS Outlook program, click on File and select Archive option
  • After that, choose a particular file or folder and browse the destination path where you wish to store all archived data files and press OK button.
  • Finally, you can easily create an archive file
Note: One can directly export OST to PST format except all contacts, by using this manual solution.
C) Use an Export feature of Microsoft Outlook
  • Open Outlook application and choose Export button from the File
  • Choose an option Export to a file and then, press Next
  • Next, select the PST (Personal File Folder) format and click Next
  • After this, select a particular folder which you want to migrate (keeping in mind that you should enable “include subfolders” option)
  • Then, provide the desired location where you can save converted files.
  • Click on Finish button to accomplish the task
Note: This strategy only works when a user account is connected with Exchange Server environment.

Step 2: Upload Outlook PST to Office 365 Mailbox
To manually import Outlook data file (PST) to Office 365 account users can use any of the techniques as mentioned below:
A) Upload OST to Office 365 using Azure AzCopy
Download & install Azcopy and then, you need to copy SAS URL (SAS URL will just give you the permission to transfer PST files into Azure AzCopy)
  • Next, upload PST data files into Exchange Online (O365) successfully
  • You can easily view all uploaded PST data files to complete the task
  • Also, you can create a new PST import mapping (.csv) file
  • In the end, you can generate PST import job in MS Office 365 suite
B) Import PST File to OWA using Drive shipping
  • Copy a .pst file in BitLocker-encrypted hard disk drive
  • Next, you can convert a drive to Microsoft physically
  • When Microsoft gets a flash drive, the personal data also start to upload the received PST data files into a temporary folder in the cloud
  • Eventually, you can utilize Import service of Microsoft Office 365 for exporting PST file in Office 365 suite.
Trouble-free Solution to Migrate Offline OST to Office 365 Suite
If the above-described measures are quite lengthy and time-consuming, it is highly recommended to opt for a reliable third party tool i.e., OST Recovery. It is programmed in such a way to restore all deleted emails, calendars, contacts, etc from OST file. It also ensures to keep all meta properties remain intact without any risk or data loss. It has an interactive GUI that even a novice user can use without having any prior knowledge.

Time to Conclude 
After considering the need of Office 365 for an organization, we have explained different manual ways to export emails, contacts, calendars from Outlook OST to Office 365 account. In Besides this, we have suggested one best approach i.e., OST Recovery that will help to extract and regain all items from Outlook OST to Office 365 account in a reliable and efficient way.
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Diptesh Kumar Bhakat is proud to be the author of fastest growing tech blogs. He is a tech-savvy, SEO Expert, SMO Expert, SMM Specialist and a professional Blogger. Except blogging, he is so much found in photography, superbike riding. He has a very close attachment to the tech world and loves to blog on his fav topics. He has also contributed to many regional dailies and authored guest posts on some of the leading tech blogs. Professionally, he is a tech blogger and reviewer. he is a very energetic person who constantly puts up an evil smile to counter any obstacle in his manner. This dude is highly unpredictable and in reality, you can’t recognize what’s coming from him…be it his articles, generating an aura, or his personality. Mr. Diptesh is completed his B.Tech in Mechanical Engineering, as everybody thinks about one question that how a mechanical engineer can make a website?? Is it strange!!!!!!!! Yes it is. But there is a big story we will update soon.

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