Kernel Import PST to Office 365 is the best solution when you want to import PST files to Office 365, Exchange (both on-premises & hosted). The tool allows you to import PST files to single/multiple Exchange or Office 365 mailboxes simultaneously.

How to Use

Kernel Import PST to Office 365 tool is useful for Office 365/Exchange end users as well as administrators as it supports migration to single or multiple mailboxes of the destination.

Importing PST files to a single Office 365/Exchange mailbox

Any Office 365/Exchange user can import PST or OST files into his mailbox using this option.

Step 1:

Launch the Kernel Import PST to Office 365 tool. Click the Add button in the Add Source section.

Click the Add button in Add Source section
Step 2:

Browse and select the desired PST or OST file(s). The selected file(s) will be added under the Source PST/OST files section of the software.

Browse and select the desired PST or OST files
Step 3:

Now, click the Add button in Add Destination section, then choose which method will be suitable to login Office 365.

Add Destination section
Step 4:

It will open the Office 365/Exchange login window. Here you have three destinations options:

  • For Office 365 as destination, enter Office 365 Mailbox Login ID (UPN) and Password.
  • For hosted Exchange as destination, enter hosted Exchange proxy server name, Mailbox Login ID (UPN) and password.
  • For on-premises Exchange Server as destination, enter Exchange Server name, Mailbox Login ID (UPN) and Password.

Now, select Single/Archive Mailbox, and click Add.

Select Single/Archive Mailbox
Note: If your email address is different from the Mailbox Login ID (UPN) in the Active Directory, then you need to enter the email address as well.
Select Single/Archive Mailbox
Note: If you choose modern authentication, then you need to provide the details like tenant ID, Client ID, and Client Secret Value from Azure Portal. Click Add.
Step 5:

The source (PST/OST file) and destination (Exchange/Office 365) gets added.

To map the PST/OST file to the Exchange/Office 365 mailbox, select the required mailbox under the Mailboxes section (under Mapping of Source and Destination). Then click the option Set Filter and Migrate.

Map the PST/OST file to the Office 365/Exchange mailbox
Note: Now, you can add or remove PST files, Office 365 mailboxes, or mapped Office 365 mailboxes using the Add, Remove Selected, or Remove All buttons.
Step 6:

In the Migration Type Selection dialogue box, select desired destination option Mailbox, Archive Mailbox, or Public Folder and select Migrate.

Select desired destination folder
Note: The Archive Mailbox option will appear only if archiving has been enabled for the mailbox.
Note 2: The Public Folder option will appear only if the mailbox has the rights to access the public folder.
Step 7:

In the Filter Selection window, choose the filtering options as required:

  • Review PST Folders to Migrate – Select the folders to migrate.
  • Date Filter – Provide a date range to filter items.
  • Item Type Filter – Select the item types that are to be migrated.
  • Exclude Deleted folder – Select to exclude Deleted items folder from the migration
  • Exclude empty folders – Exclude empty folders from the migration.
  • Select if you want to save – Provide a folder name (to save the data with hierarchy inside a mailbox folder)
  • Same as source file name – Select this checkbox if you want to save added PST files in a folder with the same name as the PST file.
  • Set operation timeout – Select an upper time limit for migration (the migration will be rejected if it exceeds this time limit).
  • Skip Previously Migrated Items – Check the box to exclude the already imported data.
  • Select if migrating to Office 365 Group – Select the checkbox if you are moving PST to the Office 365 group.

Finally click I am OK, Start Migration.

Start Migration
Step 8:

As soon as the migration process finishes, a Process Completed window appears. Click OK to finalize the process.

Process Completed Window appears
Note: To save the migration report, select Save report to CSV.
Save migration report

Importing PST files to multiple Office 365/Exchange mailboxes

Using an Office 365/Exchange account with Global administrator credentials, you can import PST files into multiple Office 365 mailboxes.

Step1:

Launch the Kernel Import PST to Office 365 and click the Add button (in the Add Source section).

Click the Add button (in the Add Source section)
Step 2:

Browse and select the desired PST or OST file(s).

Browse and select the desired PST or OST files
Step 3:

Now, click the Add button (in the Add Destination section).

Add Destination section
Step4:

In the Office 365/Exchange Login Sign in window, enter the login credentials of Office 365 account or Exchange (hosted/on-premises) account, whichever is required. Select List all Mailboxes using above credentials click Get User Mailbox(es).

Enter the login credentials of Office 365 account
Note: To migrate to multiple mailboxes, you should use an Exchange/Office 365 account with Global administrator credentials.
Step 5:

When all the mailboxes are displayed, select the required mailboxes and click Add.

Select the required mailboxes and click Add
Step 6:

To map the PST/OST file to the Office 365 mailbox, select the required Office 365 mailboxes against the PST files. Then click the option Set Filter and Migrate.

Map the PST/OST file to the Office 365 mailbox
Step 7:

In Migration Type Selection dialogue box, select desired destination option Mailbox, Archive Mailbox, or Public Folder and select Migrate.

Add Destination Folders For Mailboxes
Step 8:

In the Filter Selection window, provide the required filtering options:

Then, click I am OK, Start Migration.

Start Migration
Step 9:

When the Process Completed window appears, click OK to finalize the process.

Process Completed Window appears
Note: To save the report, click Save report to CSV. Provide a new name and save it.
Click Save report to CSV

Importing PST files to multiple Office 365/Exchange mailboxes using CSV file.

You can import PST files to multiple Office 365 mailboxes with the help of a CSV file.

Step 1:

Launch the Kernel Import PST to Office 365. Click Download Sample CSV File and download the sample CSV file.

Click Download Sample CSV File
Step 2:

Enter the details in the sample CSV file Source PST File(s), Destination Mailbox, Login account, and password.

Enter the details in the sample CSV file
Step 3:

Now, click Import from CSV (see the diagram in Step 1). Browse and select the CSV file (with the details of PST files and Office 365/Exchange mailboxes).

Step 4:

When the PST files and Office 365 mailboxes are displayed, map the PST/OST file to the Office 365 mailbox and proceed (for this, go to the steps 6 of Importing PST files to a multiple Office 365/Exchange mailbox)