How to Migrate Lotus Notes to Office 365 format?

How to Migrate Lotus Notes to Office 365 format?
Written by Usdng

Summary: Different users have opinions about migrating from the Lotus Notes email client into Office 35. In this blog, we will foray into some of the reasons for the migration and the solution to migrate Lotus Notes to Office 365 environment.

IBM developed the Lotus Notes email client, but later on, HCL acquired it. After that, some of the Lotus Notes services went down. Moreover, using Lotus Notes is not easier as it does not have a user-friendly interface as compared to Office 365. If we talk about Microsoft Office 365, it is one of the most sought SaaS in the current technological era.

Users are now approaching to a cloud-based system from the on-premises emailing system. It is one of the factors behind the surge of migration to Office 365. If you are thinking to migrate Lotus Notes to Office 365, then this blog will serve you with a migration guide that will bring the best migration methods.

Why migrate to Office 365 from Lotus Notes?

  • Lotus Notes comes with a user interface that is not easier for novice users to understand.
  • The cost of maintaining Lotus Notes is way up costlier than Office 365.
  • Office 365 comes with multiple inbuilt applications like PowerPoint, Excel, etc.
  • Non-tech users require a technical expert’s support to use Lotus Notes, but any user can easily use O365.
  • Through Office 365, users can quickly check out their emails from any system and at any location with an internet connection.
  • Microsoft provides an automatic update for Office 365, and the user does not need to worry about the updates.

Reasons may differ from user to user, but most importantly, users must look at the methods which will offer safety to data while migrating them. The available solution to migrate Lotus Notes to Office 365 includes the manual method and third-party migration tool.

Manual Solution to migrate Lotus Notes data into Office 365:

Below are some manual ways to move the data from the HCL Notes email client into Office 365.

      1. Using the MONTI.exe Utility

There are various steps that users need to follow to download the MONTI migration guide from the Microsoft official website. Follow the shared procedure to download MONTI.exe:

  • Go to the download center of the Microsoft website. After that make a search for MONTI.
  • Click on the download button to get the MONTI Configuration guide on the system.

MONTI 3.2 Configuration Guide

  • Users can select the location where they want to save the migration guide using the Browse button. After that, click on unzip to start unzipping the file into the specified folder.

WinZip Self-Extractor

  • After completing the process, you need to click on the Ok button to finish the file unzipping procedure.

After completion click OK button

To understand the way to migrate Lotus Notes to Office 365, the user needs to open the downloaded migration guide. However, every user will not find it suitable as the guide contains a long migration method. Still, if any user wants to try, they can process it by reading the guide thoroughly. Alternatively, users can approach the following manual Lotus Notes to Office 365 migration method using the IMAP connector.

     2. Through IMAP Connector 

With the help of the IMAP Connector, it is possible to migrate to Office 365. Although using this method, the migration from Lotus Notes to Office 365 is not easier. This method also requires a complete understanding of the working procedure of the IMAP connector. Follow the steps shared below to start migrating the Lotus Notes data.

Before you dive into the flow of migrating the NSF files data, you must create a backup of your data saved in your Lotus Notes email client. This step is recommended for users who are looking to migrate Lotus Notes to Office 365 to safeguard their data from multiple threats at the time of migration.

  • Make a new mailbox for every user

After following the above process, the user should start creating the new mailboxes for the Lotus Notes user.

  • Enable IMAP TCP/IP Port for Lotus Notes Users

The next step is to enable the IMAP for all users. We have listed the process of how you can do this task:

  1. Need to open the Domino Administrator in the Lotus Notes email client.
  2. Here, make click on the Configuration tab.
  3. You need to open the Server document, which contains all executable IMAP services.
  4. After that, you need to open the Ports, then Internet Port. In the end, click on the Mail tab to proceed.
  5. Make changes to the TCP/IP value and enable it for the IMAP settings.
  6. Click Save and then Exit to complete the procedure.
  • Connect with IMAP Connector

Once you are done with all the above steps, then you only need to utilize the IMAP connector to synchronize emails in the Office 365 environment with your Lotus Notes.

Why is IMAP Connector not recommended for performing Migration?

There are various limitations associated with this migration method. If the user needs to migrate Lotus Notes to Office 365 without any restrictions, we will not suggest anyone use it. Although, we are listing some of its drawbacks to educate our users.

  • One cannot migrate the Lotus Notes database files of more than 1 GB in size.
  • Setting up an IMAP connector for the migration consumes a lot of time, and a single mistake can lead to data corruption.
  • Users cannot transfer the calendar item while using the IMAP connector, but manually, they can do it.
  • The IMAP connection will not be allowed if the Lotus Notes runs in a disabled mode.
  • Non-technical users will face multiple problems while using the manual migration method.
  • It is impossible to make an internet connection whenever Lotus Notes is behind the proxy and firewall.
  • Migration through the IMAP Connector only moves the Lotus Notes online data into the Office 365 environment.

Expert Suggested Method to Migrate Lotus Notes into Office 365:

The method discussed above will have a high chance of giving the undesired result if it is not performed correctly. In addition, they are generally more limitations, which is why many IT professionals also look to avoid them. Alternatively, some solutions help migration from Lotus Notes to Office 365 without causing any trouble. The third-party migration software is one of them.

Shoviv Lotus Notes to Office 365 migration tool which can transfer the complete data from the NSF files into Office 365. This software helps users migrate multiple NSF files into the Office 365 account. Users can allow the user to migrate the selective data by utilizing its filter option.

One of its options, like incremental export, is the time-saving feature. Using it will ensure users that their migration which will not get stopped due to any interruption. The tool also does not make any changes to single data integrity that will make it the most desired software to move the Lotus Notes data. In addition, users can also use its free demo version, which enables users to process the first 50 items from each folder.


Migration of the data from the HCL Notes into the cloud-based Office 365 comes with multiple challenges. Moreover, the user who doesn’t have advanced technical knowledge will face problems during migration. To overcome this, users should go with the reliable solution to migrate Lotus Notes to Office 365 without the risk of losing data. Thus, the solution we discussed is one of the best in its niche, which the user can look over.