Learn How to Import OLM File to Lotus Notes in Simple Manner?

Sarabjeet Kaur | lotus notes olm outlook for mac software technology | 5 minutes read | Modified on: 23-05-2025
how to import olm file to lotus notes

In this blog, you’ll learn how to import OLM file to Lotus Notes (NSF). A lot of users search for a reliable method to transfer their data from Outlook for Mac to Lotus Notes. This can be accomplished by importing OLM files into NSF format that is the native file type utilized by Lotus Notes to store mailbox data items i.e. calendars, tasks, emails, contacts, journals, attachments, and notes.

It’s important to note that NSF files cannot be directly imported into another Lotus Notes client without a valid User Certificate ID. Therefore, the most effective way to migrate mailbox data from Outlook Mac to Lotus Notes is through this conversion process.

This method not only facilitates the import of OLM mailbox data to Lotus Notes but also supports integration with the IBM Domino Server, providing a comprehensive migration solution.

Why Converting OLM to Lotus Notes is Essential?

Manually converting OLM files to the Lotus Notes email client is not a direct process. Despite the growing demand, numerous users face major challenges when attempting to export their mailbox items from Outlook for Mac to IBM Lotus Notes email client. As a result, users frequently search for simpler, more effective solutions on various online forums and support platforms.

Here’s an example of a real-world user query:

“Hey, I’m a system administrator at a California-based MNC. We use Mac Outlook as our primary email client for daily communication with clients. In our live testing environment, we require access to some OLM files within the Lotus Notes client on a Windows machine. We’ve attempted several manual methods, but due to Lotus Notes’ strict security protocols, it only permits NSF files for data import. Please recommend a reliable tool that can help us import OLM files into NSF Lotus Notes files. Your help would be greatly appreciated.”

How to Import OLM File to Lotus Notes? – A Simple and Instant Solution

We received the above query through our support system that inspired us to develop an amazing solution—the BitData Migration OLM Converter. This software was designed to address the challenges of converting OLM files into NSF format efficiently and securely. After rigorous testing in our internal environment, the tool met all of our requirements, and we confidently shared it with the client.

Here’s what the client had to say after using the OLM to Lotus Notes Converter:

“I must say, this utility is a completely professional solution for importing all my data from the Outlook Mac mail client to Lotus Notes-compatible NSF file. I was able to simply import emails, contacts, tasks, calendars, etc. to Lotus Notes even without a user.id certification file. Thank you, team, for giving such an amazing app!”

Steps to Import OLM File to Lotus Notes NSF File in Bulk

Our team understands the complexities involved in importing data between different email clients. With this in mind, our developers have designed the OLM to NSF Converter to simplify the process for users of all technical levels. However, if you face any difficulties while using the application, follow this step-by-step tutorial to import OLM file to NSF format perfectly-

  1. Download and install the OLM to Lotus Notes Converter on your Windows or Mac system.
  2. Upload OLM Files/Folder using the Select Files or Select Folder option.
  3. If your files are corrupted, enable the “Use Extracted Mode for Corrupt OLM Files” option. This scans and repairs damaged files before conversion.
  4. Once loaded, the tool will display all mailbox folders such as Inbox, Sent Items, Drafts, Deleted Items, Contacts, Address Book, Calendars, and more. Select the folders you wish to convert.
  5. From the list of over 25 saving options, choose Lotus Notes (NSF) as the desired output format.
  6. Choose a destination location by clicking the folder icon. Optionally, create a new folder within the interface to organize your NSF files
  7. Click to begin the OLM to NSF conversion process. The software will display real-time progress and status updates on the screen.
  8. Once the conversion is complete, a confirmation message will appear. Click OK to finish.
  9. The tool will automatically open the destination folder, allowing you to easily locate and import the resulting NSF files into your Lotus Notes application.

OLM to Lotus Notes Migration Tool- A Top-Notch Features and Options

The OLM to HCL Notes Converter is a powerful and efficient solution for users looking to export Outlook for Mac data including emails, contacts, notes, etc. into IBM Notes environment. As detailed in the previous sections, this utility simplifies what is traditionally a complex migration process. It also offers robust batch processing capabilities to convert multiple OLM files at once. Below are some of the standout features that make this tool a preferred choice:

Complete Data Migration– Transfers all key data elements, including emails, contacts, calendars, tasks, notes, and more, from OLM to IBM Notes.

Batch File Conversion– Supports bulk conversion of multiple OLM files to NSF format, saving time and effort in enterprise migration scenarios.

Selective Folder Conversion– Allows users to choose specific folders or mailbox items for conversion, enabling customized and efficient migrations.

Preserves Folder Hierarchy– Maintains the original on-disk folder structure of your Outlook for Mac mailbox during the migration, ensuring that emails appear in their respective folders within Lotus Notes.

Offline Conversion– Performs all operations entirely offline no active internet connection is required, making it a secure choice for sensitive data handling.

Separate Export Options for Contacts & Calendars– Provides dedicated features to export OLM Contacts and OLM Calendar entries into compatible formats for seamless integration with Lotus Notes.

Lotus Notes Installation Required– For successful conversion and import, Lotus Notes or IBM Notes must be installed on the target system.

Cross-Platform Compatibility– The Mac Outlook Converter is fully compatible with both Mac and Windows operating systems, allowing flexibility based on your IT environment.

Maintains Email Integrity– Retains all essential components such as metadata, email formatting, embedded images, and attachments throughout the conversion process.

Conclusion

This write-up has completely outlined the process of importing OLM files to Lotus Notes with all emails, contacts, calendars, and other mailbox items. If you’re seeking a direct way to convert OLM files to NSF format, the BitData Migration OLM to NSF Conversion Tool offers a comprehensive solution. The program supports the effortless conversion of all mailbox components without Microsoft Outlook installation. For additional support or inquiries, feel free to reach out to us via email or live chat. We’re here to help!