IBM Lotus Notes vs Outlook – Decide Which One Is Best For You

If you’re unclear between the two common email clients i.e Lotus Notes vs Outlook then read this post to check out which is better suits you as per your need.

Email applications today, play a critical role in data exchange and e-communication services to improve business competitiveness around the globe. Nowadays, data exchange is mostly done through e-communication applications. Because it is the best platform for universally exchanging information and getting linked to everyone. Equally, there are multiple email clients that provide an e-communications platform like Lotus Notes vs Outlook. 

If you want to migrate from Outlook to Lotus Notes , Use Outlook to Lotus Notes Converter.

Lotus Notes vs Outlook – A Comparision

The most prominent email client systems are Lotus Notes and Outlook, there’s a major debate about which mail program is best for. Honestly speaking, Lotus Notes and MS Outlook are both one of the finest email clients. Both contained with technicality and also with amazing features to represent strong protection for saving multiple databases as well as flawlessly connecting corporate and non-corporate worlds.

Let’s look at the variations in between Lotus Notes vs Outlook email clients, and find out which clients have better features.

Storage Memory

IBM Lotus Notes: Lotus Notes stores all of the texts, attachments, and other important elements in the NSF file format. No storage limitation of storage space in this email client and users can exceed the storage space according to their needs.

Microsoft Outlook: MS Outlook saves information in two types of files: OST and PST. PST files enable users to save their data online, whereas OST enables users to save their data in Offline mode to work. Outlook PST storage space is about 50 GB.

Schemes on Pricing

IBM Lotus Notes: If the user then prefers its licensed version, this service will be quite expensive when compared to Outlook. Pricing is based on the storage space needed. It charges $69 / month for 5 business users.

Microsoft Outlook: Outlook is already a part of the MS Office package. Therefore, users no need to invest money to purchase the Outlook program separately. Its regular fees are $19.95 per annum.

User Experience

IBM Notes: It provides interactive design tools and options. One needs practical training and technical understanding to use the Lotus Notes.

MS Outlook: Outlook does offer a much better and rich graphical user interface. It is very easy to use email clients even used by any user that never used before. 

Security in the Mailbox

IBM Notes: IBM Lotus Notes use NoSQL to store mailbox data, a non-relational distributed database technology. It is extensible and can store thousands of users. To maintain and protect this database, however, strong technical knowledge in the management of non-relational databases is needed.

MS Outlook: MS Outlook mailboxes are stored in an Exchange database file that allows the use of Active Directory Services on Exchange Server. The mails are synchronized via MAPI protocol between the local Outlook data file (OST or PST) and the server mailbox, enabling users to access and use Outlook when offline. You could even enable 128-bit RPC encryption in the user profile of Outlook too.

The Ability for Multitasking

IBM Notes: Lotus Notes is extremely stable and restricts multitasking. 

MS Outlook: But at the other hand, MS Outlook not only helps share emails and other products but also links users instantly to other available applications such as One Drive, Facebook, LinkedIn, Twitter, MS Office Online, One Note, Skype, inbox access calendar.

After comparing the innovative features of MS Outlook and IBM Notes, it can be seen that Outlook becomes the winner as it has the amazing features that IBM Notes does not offer. 

Reasons why Outlook is better than Lotus Notes

There are multiple reasons for this as given below:

  • There are loads of different add-ins and plugins in Outlooks that help the user enjoy more functionality. 
  • Outlook has the option to use more than one account at a time but in Lotus Notes, a user can access only one account at a time.
  • Most email clients offer some form of rules for e-mail sorting and email management, but Outlook really raised the bar. Users may organize or forward their messages into files or redirect them according to specified criteria. Outlook keeps its automated filtering and sorting choice organized by your name.
  • For security purposes, Outlook 2007 has strong junk mail filtering that blocks content outside, such as from international sites, web glitches, and downloaded images.

If you want to migrate from Lotus Notes to Outlook, then use NSF Converter.


In this blog, a comparison between Lotus Notes vs Outlook explained. So, it is up to you which email client features you love the most. Keep the focus on the given features of both email clients and then choose the best one. I hope, this guide helps you in understanding which is better in between Lotus Notes vs Outlook.

Also, read some more interesting comparisons from below:

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