Home » Lotus Notes » Convert Lotus Notes ICS to Outlook | A Complete Step by Step Guide

Convert Lotus Notes ICS to Outlook | A Complete Step by Step Guide

Anuraag Singh | Modified: March 16, 2022|Lotus Notes, Outlook | 5 Minutes Reading


Outlook and Lotus Notes both the emails application is used by many businesses. Because both of the email programs come with a variety of facilities that users want. And these features make it easier for users to send and receive email messages, handle contacts, calendars, and many other things.

Now after the mailing task, calendaring is one of the most useful features in any email client because it will handle all user’s meetings and other similar activities. Hence, if the users switch from one email client to another, then they want their calendar data to be imported into the new email client.

So if you are moving from Lotus Notes to Outlook and looking for the solution to convert Lotus Notes ICS to Outlook, then you are on the right page. Here in the blog, we are going to discuss the best way to import all the calendar items from Lotus Notes to Outlook. But before going towards the solution first let’s have a brief into of ICS file format.

What is ICS File Format?

ICS or iCalendar is the file format that is used by many emails clients such as Microsft Outlook, Google calendar, Apple Mail, and many others to store calendar information. Basically, this is the plain text file that stores calendar events details like description, beginning and ending time of the meeting and location. Although it is one of the most popular calendar file formats due to the absence of knowledge there are many users

Now, after knowing about the ICS file let’s move towards the reason part, which is why users want conversion.

Why Users Want to Convert Lotus Notes ICS to Outlook

  • If users move from Lotus Notes to Outlook.
  • Outlook is much easier to learn than Lotus Notes.
  • Outlook provides more security than Lotus Notes.
  • Low maintenance cost than Lotus Notes and also more users friendly.

After all the important notes now with wasting a single bit of time let’s move towards the solution part.

How to Convert Lotus Notes ICS to Outlook?

If we talk about the method to complete this conversion, then there are two methods available and in this section, we are going to discuss both of them. But first, let’s start with the free method.

Note: To perform this task you need both of the emails clients on your system. With a properly configured account.

1. Select the “Calendar” option in the Lotus Notes software on your PC.

2. Choose “View” and then “Calendar Entries” from the drop-down menus.

3. Now, pick all of the entries you wish to export and then go to “File” >> “Export.”

4. Select “Save as Type” as “.ics” and navigate to the directory where you wish to save the output file.

5. After that, enter the calendar’s file name.

6. Finally, select “Export” to export your Lotus Notes calendar to an ICS file.

Lotus Notes.ics to Outlook Export Process

You must import the generated ICS file into Outlook after finishing the Lotus Notes to ICS format export process. You must take the following extra steps to effectively show Lotus Notes calendar items in MS Outlook: –

1. Start Outlook on your local PC and go to “File,” then “Open & Export,” and finally “Import / Export.”

2. Then, from the drop-down menu, choose “Import an iCalendar (.ics)” and press “Next” to proceed.

3. Now, drag the ICS file into the program’s import wizard and click “Open.”

4. Finally, use this approach to import the Lotus Notes calendar to the Outlook email client.

Well, the above process to convert Lotus Notes to Outlook is quite useful if you don’t want to spend a single penny. But sometimes there is a chance that you will lose the data integrity of the ICS files. So the question is what is the best option to complete this task.

Supreme Method to Convert Lotus Notes ICS to Outlook

As we said if you looking for the free option to convert Lotus Notes calendar data to Outlook, then you go with the above process. But if you want a secure and effective way to complete this task, then try SysTools Lotus Notes to Outlook Migrator.

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This tool is one of the downloaded and trusted tools by professionals. The tool provides you with a secure way to convert Lotus Notes data to Outlook without losing a single bit of data. Also using this tool users can easily convert Domino Server data to Outlook PST file format. There is no restriction of file size and file limitation in this tool.

Let’s see quick working steps of the tool

1. First, download and install the tool on your system.

2. After the installation is completed, open the software.

3. Choose the Select NSF File radio button and click on the Add Files or Add Folder option.

4. Choose the calendar data item.

5. Now select the Destination location to save the ICS file

6. At last click on the Export button to complete the process.

Once the data is exported follow the manual method step 2 intrusion to import the Lotus Notes ICS files to Outlook.

Also Read: How to Import Lotus Notes to Outlook 2019, 2016, 2013


If you are looking for the solution to convert Lotus Notes ICS to Outlook, then here in this blog we have discussed two methods. Now, it is up to you to choose the free or automated solution to complete the task.