lotus notes to office 365 migration

HCL Domino which was previously known as Lotus Notes is a tool productivity tool developed by IBM and released to the public in the early 90s. But unfortunately, the support for the product is discontinued. In this article, we will see how to perform Lotus Notes to Office 365 migration. We will discuss both manual methods and automated tools that you can use for the same.

Why Migrate Lotus Notes to Office 365?

There might be many reasons why a user might want to move their data from Lotus Notes to Office 365. Some of the common reasons that are observed are as follows.

  • One of the main reasons is that Lotus Note is no longer supported by IBM. Hence any issues/bugs that were present wouldn’t be fixed.
  • When compared to Office 365 the user interface of Office 365 is not user-friendly.
  • Office 365 is more optimized than Lotus Notes and hence is less resource intensive than Lotus Notes.
  • Many Lotus Notes users have reported having synchronization issues between internal servers.
  • Office 365 offers more advanced features like VoIP, PBX, cloud storage, etc.

Manual Techniques to Perform Lotus Notes to Office 365 Migration

NSF is the format used by Lotus Notes to save data files locally. In the manual method, we have to import these files to Office 365. Follow the steps given below.

  • First, we have to make a backup of the data in Lotus Notes as an NSF file.
  • After this create new mailboxes in Office 365 for every user in Lotus Notes.
  • IMAP TCIP/IP port on your system must be enabled to perform Lotus Notes to Office 365 migration. Use the steps given below to do the same.
    • Open the admin account in Lotus notes
    • Click on the configure button
    • Finally, open the server document that runs the IMAP service.
  • In the end, use IMAP connector to move your data.

Limitations of Manual Method

There are some limitations that we might face when using the manual method. Below given are some of the ones to be mindful of.

  • NSF files that are bigger than 1 GB can not simply be transferred to Office 365.
  • Lotus Notes firewall might interfere with the internet connection and mess with the migration process.
  • It is a long and complicated task that requires a lot of time to execute.

Professional Tool to Perform Lotus Notes to Office 365 Migration

Using the manual method has its limitations. For most users, it might be a deal breaker to use the manual method. Professional Lotus Notes Migration is one of the best tools you can use for the same. The tool overcomes all the limitations of the manual method and provides the users with a professional UI that is easy to use. It also includes advanced features that the users can use.

Steps for Migrate Lotus Notes to Office 365

  • Go to the setup section and select the source as Notes and the destination platform as Office 365.
  • After this, you have to select the type of data that you want to move and apply a date filter if needed.
  • Once done go to the source menu and enter the details of the source account like the admin email, and password, and also select the NSF files that contain the data emails. Ensure that the NFS files are put in a path with the same structure.

D:/NSF Files/user1@sourcedomain.com/ (put all NSF files of user1)

  • Once done click on the validate button to allow permissions.
  • After this go to the destination section and enter the required details of the destination account like the admin email and application id and click on the validate button.
  • To get the data of the users go to the users tab. From here you can click on the fetch users button to get the details of the users from the source account automatically.
  • You can also do this manually by downloading the provided template and entering the data into it and then importing it into the tool.
  • Once all the users are listed on the screen we have to map them to the destination account.
  • You can either do this one by one or in batches using a CSV file.
  • After the mapping is completed click on the validate button and click on the start migration button to perform Lotus Notes to Office 365 migration.

You can monitor the migration process from the migration tab. Once the process completes download the summary report to make sure that all the files are migrated. If any files were skipped or failed then you can retry failed items for migration. The tool also does provide an option to perform delta migration which is used to migrate any new files from the source account.


In this article, we have learned how to perform Lotus Notes to Office 365 Migration. We have taken a look at the limitations of using the manual method and the limitations make it almost impossible to use for some users. For an easy and hassle-free experience use the above-given tool.