Steps-1: Launch the KDETools Zimbra Converter, There are Three options to Upload Zimbra file(s)

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Option-1: Add File: [Single Mailbox] To Select TGZ file one by one. |
Option-2: Add Folder: [Multiple Mailboxes] | To Select Folder of multiple TGZ files.
Option-3: Add Extracted Folders: [Add Extracted Folders] to Select Extracted folders fo Multiple Zimbra

Steps-2: After selecting the files having Zimbra mailboxes, software lists all the "Multiple Mailboxes" as shown below:

Steps-3: Click on "NEXT" button to Start the "Scanning/Loading" the Zimbra mailboxes. Show the preview of all Zimbra TGZ emails including these items:
[ Inbox, Attachments, Briefcase, Calendar, Contacts, Folders]

Steps-4: Click on "Office 365" button from menu. [If you facing getting Error Message [Unauthorized Error 401] then Enable to Login Server.]

Option 1:- Resolved - You can "Give mailbox permissions to another Microsoft 365" user from "ADMIN Accounts" or Exchange Online PowerShell cmdlets." :- Read Article https://www.kdetools.com/support/how-to-grant-permissions-to-other-office-365-mailboxes.html

Enter the Your Microsoft Office 365 credentials:

User: Admins Credentials:
Password: ********. |

Steps-5: If you facing getting Error Message [Unauthorized Error 401] then Enable to Login Server.

Option 1:- You can allow to "Admin Permission" and "Configuration" your Office 365 accounts in "Microsoft Azure" . After configured the account to easily Login your details in "Software Office 365 panel" and import Zimbra into Office 365 accounts directly. Read Article: https://www.kdetools.com/support/microsoft-azure-app-registration.html

You can see here permission has been granted by "Microsoft Azure App" and Enter the "Client ID" and "Tenant ID" - To Login Office 365 accounts with Software Panel:

Enter :- Azure Client ID:
Enter:- Azure Tenant ID. |

Steps-6: Mapping Option: - Click on "Select of Email ID " Import TGZ Files to Office 365 User by clicking Select (Uer Email ID) and migrate data of selected file before starting the export process.

Steps-7: Mapping Option: - Click on "Move multiple User Processing" Move multiple Zimbra users files to Office 365 in Multiple User by clicking Select (Uers ID) option and Import Zimbra data of selected User account before starting the export process.

Steps-8: Uploading Process: - Click on "Convert" button to "Start Uploading" to Upload Multiple Users from Zimbra to Office 365 account directly.

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