Kernel Office 365 Backup & Restore is an efficient tool to take a secure backup of Office 365 mailboxes in the form of PST file and to restore the PST file to Office 365. The tool is quite simple and easy to use.

How to use Kernel Office 365 Backup & Restore

Kernel Office 365 Backup & Restore helps users to securely back up the Office 365 & Exchange mailboxes and to restore them back to Office 365 & Exchange easily. It is useful for both end users and administrators as it works perfectly well with a single as well as multiple mailbox (for backup as well as restore).

Backup a single Office 365/Exchange mailbox to PST

Kernel Office 365 Backup & Restore allows to backup a single Exchange/Office 365 mailbox to PST. The steps are:

Step 1:

Launch the Kernel Office 365 Backup & Restore application and click Backup.

Launch the Kernel Office 365 Backup & Restore

Step 2:

To add a source (Exchange Server/Office 365) for backup, Click the Add button. It offers two methods for login. You can choose anyone and click OK.

Click the Add button

Note: Also, you can download a CSV file, enter the required details, and then import it to the software. For this, use Download Sample CSV File, and Import from CSV buttons.
Step 3:

In the Office 365/Exchange Login page, provide the source credentials. Select the required option from:

  • Office 365 - enter User email & Password.
  • Hosted Exchange Server - enter the login details with Proxy Server name.
  • On-premises Exchange Server - enter User ID & Password

Select Single Mailbox/Office 365 Group and then click the Add button.

click the Add button

Note: For Modern Authentication, you need to input the following details –
  • Tenant ID – Retrieve Tenant ID from Overview section in Active Directory of Azure Portal.
  • Client ID – Client ID is accessible in the same Overview section of Active Directory.
  • Client Secret Key– Client Secret is created in the Certificates & Secrets section. Copy its value from there.

click the Add button

Step 4:

Select the Office 365 account, and click the Set filter and Migrate button.

Select the Office 365 account

Step 5:

From the drop-down list, select the type of data you want to back up - Mailbox, Archive Mailbox, or Public Folder - then click Migrate.

Select the Data for Backup

Step 6:

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

  • Review and search Mailbox 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 migration
  • Exclude empty folders – Exclude empty folders from the migration.
  • Select if you want to save all data hierarchy in a new folder – Provide a folder name (to save the data inside a folder)
  • Set operation timeout for larger emails while uploading/downloading – Select an upper time limit for backup (the backup will be rejected if it exceeds the limit).
  • Skip Previously migrated Items (Incremental) – Check the box to exclude the already migrated data and migrate only the additional data.

Finally click I am OK, Start Migration.

Start migration

Step 7:

Next, choose the desired file format to which you want to backup Office 365 or Exchange mailboxes data and click OK.

choose the desired file format

Step 8:

Provide the saving location and click OK. After this, the migration will get started.

Provide the saving location

Step 9:

As soon as the migration gets completed, a message window informs that the process is complete.

Browse the location for the backup

Step 10:

To get the details of backup, click Migration Log. To save the migration report, click Save report to CSV.

View the status of the migration

Backup multiple Office 365/Exchange mailboxes to PST

To take the backup of multiple Office 365/Exchange mailboxes, you need to have an Office 365 account with administrative privileges.

Step 1:

Launch the Kernel Office 365 Backup & Restore application and click the Backup button.

Launch the Kernel Office 365 Backup & Click the Backup button

Step 2:

To add a source (Exchange Server/Office 365) for backup, click the Add button. Choose among the two login methods. Click OK.

Click the add button

Step 3:

Enter the Administrator (for Exchange/Office 365) account credentials, select the option List All Mailboxes using above credentials, then click Get User Mailbox (es). When the mailboxes are displayed, select the required mailboxes. Finally, click the Add button.

Note: You can add Office 365, Hosted Exchange Server, or On-Premise Exchange details as per your requirement.

List All Mailboxes using above credentials

Note: During modern authentication, input Tenant ID, Client ID, and Client Secret Key. Then choose to list all mailboxes using the above credentials. Click Get User mailboxes. Choose the mailboxes using checkboxes. At last, click Add.
List All Mailboxes using above credentials

Step 4:

Select the desired option - Mailbox, Archive Mailbox, or Public Folder - for migration and click Migrate.

Click Set Filter and Migrate option

Step 5:

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

  • Review and search Mailbox 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 migration
  • Exclude empty folders – Exclude empty folders from the migration.
  • Select if you want to save all data hierarchy in a new folder – Provide a folder name (to save the data inside a folder)
  • Set operation timeout for larger emails while uploading/downloading – Select a time limit for backup (backup will be rejected if it exceeds this time limit).
  • Skip previously migrated Items (Incremental) – Check the box to exclude the already migrated data and migrate only the additional data.

Finally click I am OK, Start Migration.

Start Migration

Step 6:

In the Save As dialogue box, select the file saving format and then click OK.

Select the file saving format

Step 7:

Provide a destination where you want to save the backup PST file.

Provide a destination

Step 8:

As soon as the backup process gets completed, the tool provides information that the process is completed. Click OK to finish the process.

The process is completed

Note: You can see the details of backup by clicking Migration Log. To save the CSV report that has complete information about the total mailboxes backup, click Save report to CSV.

Click 'Save report to CSV'

Restore PST file to Office 365

Kernel Office 365 Backup & Restore can easily import an unlimited number of PST files to Office 365. It allows the user to easily map the source PST files to destination office 365 mailboxes. To restore PST files to Office 365, follow the Restore procedure:

https://www.nucleustechnologies.com/import-pst-to-office-365/how-to-use.html