Do you feel the need to import PST to Office 365 without duplicates? The duplicates are of course the cause of consuming unnecessary space. These even hurt more when we want to migrate our data from Outlook to Office 365 and the process is taking too long due to these duplicated items.
Eventually, the duplicates might lead to serious issues if not removed timely. So, let us discuss how to import PST files from MS Outlook to Office 365 with the help of manual as well as Office 365 PST MigrationTool, avoiding duplicated items.
As a matter of course, we have two kinds of PST files. One is orphan PST and the other is already configured PST in Outlook. So we will learn how to import both kinds of PST files into Office 365 in the further section.
So first we will remove the duplicates from the orphan PST file using the Import/ Export function of Outlook. To do so, first, we will import duplicated data from PST file into Outlook and then Export it.
Note: Orphan PST is a PST file that resides in some location other than MS Outlook in your system. It needs to be imported to Outlook.
If you have to import a PST file to Office 365 which is not imported into Outlook but is located in some other location in your system, then first import it to MS Outlook to avoid duplicates. And if you want to migrate an already configured PST inside Outlook to Office 365 then skip the first step and jump to step 2 to Export PST.
Import PST into Outlook
Follow the given below steps to import PST into Outlook:
Important Tip: The option “Do not import duplicates” is used to prevent all the duplicates in the PST file that we are importing into Outlook.
The duplicate free PST file has been imported into Outlook and now you have to export it so that you will further migrate it to Office 365.
Export the Duplicate Free PST File
The above steps are for Outlook 2013 version. To know the Import/Export steps for other versions, refer to this article: https://www.msoutlookware.com/basic-tips/import-and-export-function-in-outlook.html
Now you have a duplicate free PST file and you have to import it to Office 365. Let us see which methods can be used for the same.
There are 3 genuine methods to import PST to Office 365. Manual, as well as automated ways, can be used to upload an Outlook PST file to O365.
The most secure and fast solution for migration of PST is using the above-mentioned tool. Here are all the steps to use in the tool to upload PST into Office 365 with Admin Account.
Step 1. Download & Run Office 365 Import PST tool.
Step 2. Now mark check “Is Office 365 Admin” option >> press Login button >> click Add Files / Folder button.
Step 3. Now browse the PST file (single file or entire folder) >> click on Open
Step 4. You will get a list of all the PST files, and enter the Office 365 email addresses mapped with files.
Step 5. Now enter the credentials for domain ID & authenticate.
Step 6. You also get the filters like Date Filters, and calendars. Select accordingly.
Step 7. Now check the “Include Folders” check box and enter the folders that you want to mention for PST to Office 365 migration.
Step 8. You will get multiple options like:
Step 9. Click on Import
Step 10. The process will start, and after completing, click Save Report.
Network upload is a manual way to upload PST to Office 365 without duplicates. On a cloud, the user has to add PST files through the network. Although it is an effective method but slightly complicated and lengthy to run. The user will need Azure AzCopy software for this purpose and then proceed further.
Also Read: Migrate Distribution Group to Office 365 Safely – Comprehensive Guide
This approach is also a great solution to migrating PST to Office 365. Here, the PST is copied on a hard drive encrypted with BitLocker and then shipped to the Data Center of Microsoft. Now, again this manual way is complex to implement, however, according to convenience, users can use this method.
For info about Drive Sipping refer to this article: https://docs.microsoft.com/en-us/office365/securitycompliance/use-drive-shipping-to-import-pst-files-to-office-365
Manual methods are available to users but these have some serious pitfalls. To perform all the steps accurately, the user must have good technical skills otherwise any small mistake in the attempts might lead to data loss.
These methods are very lengthy and time-consuming. Users need to keep a lot of patience while performing manual techniques. Especially, when one is in a hurry to migrate Outlook data files to Office 365, it is not a good idea to opt for manual techniques.
For huge data, manual methods might be a bad decision to opt for. Both data loss and time consumption can be encountered for huge data file migration.
Must Read: How to Import PST to Outlook 365 Web In Few Steps? Everything You Need to Know
As discussed in the above methods, analyzing all the ways to import PST to Office 365 without duplicates, the manual methods seem to be quite complicated and for a naive user, it can be pretty difficult to adopt these manual techniques, while the above tool seems to be a sophisticated and safer solution to get our PST files uploaded to Office 365 instantly.