Perform Lotus Notes to Office 365 Migration | Step-by-Step Process

Efficient procedure for Lotus Notes to Office 365 Migration is being revealed here. Users can avail both manual as well as automated solutions
Lotus Notes to Office 365 Migration Step-by-Step

Lotus Notes to Office 365 Migration Step-by-Step – DIY Guide

Is your organization recently made a decision to switch from Lotus Notes to Office 365 email platform? Want to know the accurate procedure to perform Lotus Notes to Office 365 migration step-by-step? Then, through this blog, we are going to shed light on the proven methods to easily transfer IBM Notes NSF data to Office 365 in an effortless way. 

With every passing year, it can be seen that more and more users are availing Office 365 cloud platform. One of the major reasons is that it offers countless user-oriented features, which most of the users demand. In addition to that, this cloud-based productivity suite offers remarkable SaaS functionality along with the MS Office suite. Moreover, all the features render in a simplified user interface making it an all-rounder email platform. Thus, it can be easily availed for both personal and enterprise usage. 

With Office 365, users can avail of improved features, better data storage options, high data security options, fewer maintenance costs, etc. Besides this, there exist no synchronization issues and it is pretty much cost-effective in comparison with other email applications. 

Trusted Yet Recommended Tool to Migrate Lotus Notes Files to Office 365

The manual method, which is disclosed below is quite complicated due to its lengthy and time-consuming steps. Thus, most of the users prefer utilizing some error-free yet result-driven third-party software. SysTools Lotus Notes to Office 365 Migration Tool is an all-rounder utility delivering 100% precise results without any data loss issue. Using this, users can migrate NSF emails, contacts, and calendars to the O365 account. The best part is that it offers all the power-packed features in a user-friendly interface making it easy for novice users to easily avail the software. 

Here Comes the List of Advanced Features Offered by the Tool

  • Easily migrate Lotus Notes data items i.e., emails, contacts & calendars selectively to Office 365 account
  • Date-filter option to transfer only the required data date-wise by specifying the date ranges
  • Avail Re-run migration options, which comprises of Retry Failed Items, Re-run Full Migration & Delta Migration
  • Requires admin credentials of Lotus Notes and Office 365 to perform Lotus Notes to Office 365 migration step-by-step
  • Set priority to the user mailboxes to migrate on priority out of the list of large mailboxes
  • Users can map source and destination user accounts via the Fetch Users option manually
  • Use Concurrent migration to migrate user accounts in batch-wise mode by setting mailboxes with a maximum of 40 user accounts
  • In order to map user mailboxes automatically between Lotus Notes & Office 365, use Import CSV option
  • Option to Stop Migration in case of any emergency while undergoing the migration process

Perform Lotus Notes to Office 365 Migration Step-by-Step Manually 

Below listed are the steps to implement Lotus Notes to Office 365 migration process, which is divided into 4 different sections.

Step #1 Create Backup

Before starting the migration steps, it is of utmost importance to create a backup of the NSF files via the IMAP server. In case of any data loss issue, the file will be lost permanently, hence taking backup is a wise option.

Step #2 Create New Mailboxes

To perform Lotus Notes to Office 365 migration step-by-step, you need to create new mailboxes for each Lotus Notes user accounts. 

Step #3 Enable IMAP

  • Select Domino Administration >> Configuration >> open server document to run IMAP configuration
  • Enable the default TCP/IP port to and change the port values
  • Set as Enable to the mentioned fields, which is placed at the right of the Mail IMAP column. 
  • At last, click on Save >>> Close >>> Exit button. 

Step #4 Connect to IMAP connector

Now, to synchronize the Lotus Notes mailboxes and Office 365, the IMAP connector is being used to implement the same.

Manual Limitations – Every User Must Know

Though the manual method enables to perform Lotus Notes to Office 365 migration step-by-step, there exist some shortcomings as follows:

  • Requires technical expertise to perform the steps
  • Lengthy yet time-consuming steps lead to investing a sufficient amount of time
  • Large-sized NSF files of more than 1GB fail to get migrated to O365
  • May block the connection because of Notes firewall and proxy server 
  • The IMAP connector does not migrate calendar data, hence it must be transferred manually


This blog has emphasized both the manual and automated techniques to perform Lotus Notes to Office 365 migration step-by-step. As mentioned above, the manual method involves downsides, which may not be result-oriented. Hence, seeking help from third-party software is indeed a wise option. 


Anjan kant

Outstanding journey in Microsoft Technologies (ASP.Net, C#, SQL Programming, WPF, Silverlight, WCF etc.), client side technologies AngularJS, KnockoutJS, Javascript, Ajax Calls, Json and Hybrid apps etc. I love to devote free time in writing, blogging, social networking and adventurous life

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