Follow the step-by-step guide to Import MSG to Office 365
Download & Launch SysTools Import Tool
In case, tool is not activated, see how to activate the product: Activation Steps
Tool provides the help section for the details about each Import mode. Click on "Help" button to view this section.
Select "MSG" as source platfrom & "Office 365" as destination platfrom.
In the same screen, Select the Email option under Workload Selection to import the data to Office 365.
You will now come to the Source screen where you have to select the folder path where the MSG files are stored.
You have to put these files in their respective folders (created with the name of target O365 email IDs) as described below:
Create a folder in root drive, like:
Go to the drive where you have stored your data.
Within the drive make a folder named msg.
Here each user must have their own separate folder, as shown in the image.
Each username folder has its own Email folder.
The overall structure should resemble the following:
D:/Import/[email protected]/Email/ (put all .msg files/subfolder containing .msg files of user1)
D:/Import/[email protected]/Email/ (put all .msg files/subfolder containing .msg files of user2)
D:/Import/[email protected]/Email/ (put all .msg files/subfolder containing .msg files of user3)
Within the Email folder there can be multiple subfolders.
Each subfolder can have its own set of unique MSG files which can be accessed individually.
Once Source level file formatting is as per the given criteria select the folder "D:/Import/" into our tool as "Import Folder Path".
Click on Validate to ensure necessary permissions are given to the files.
After validating, the permissions will be granted to the source platform. Click on Next.
Enter the Office 365 admin email account & application ID for destination.
Click on Validate to ensure that the given credentials are correct.
After validating, the permissions will be granted to the admin account. Click on Next.
On the Users screen, there are several ways in which you can add users from the source account that needs to be processed.
Fetch Users: It will fetch all the users from Source domain.
Import Users: This will import users through CSV.
Download Template: In this option, you will get a sample CSV file in which you can add source users manually.
The list of source users is now displayed on the screen.
You can Search for a particular mailbox and select that user to import data. There is a "Show Selected" toggle bar that will show only selected users in the list. This will help you import selective data only.
Now Users need to Add the Destinarion User Accounts. Users have two options for this:
User List Template: In this option, you will get a sample CSV file in which you can add source users manually.Import Users: This will import users through CSV.
Click on Validate to authorize selected user source & destination account(s).
Once the users are validated, Click on "OK" button.
Users can also perfrom the import task on priority basis. Select the accounts on priority as shown in the image.
Finally, Click on Start Import button to start the import process.
The software will show you the notification that import is started.
Users can track the status of the import task in the "In Progress" tab.
In the "Pending" tab, user can track the pending files. If users want, they can stop the import here by clicking the "Stop Import" button.
Users can see the final import status in the "Completed" tab.
The tool provides two options for downloading the reports:
Summary Report: The summary report will be a single .csv file containing import reports of all the selected users.
Detailed Report: Here, you get the option to save the detailed import report of the mailboxes you want to. Select the mailbox and Click on Download button.
Choose the destination location where you want to save the Detailed Report.
Re-Run Import option is also provided in order to perform the import again.
To view the end result, login to the Microsoft 365 ID where you imported the data, and open Outlook.
Here you will see that the entire folder structure is replicated, like it was at the source.
On comparing the before and after images of the Microsoft 365 we can clearly see that all new data is in its requested spot.
All of the User Emails
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