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Lotus Notes Email Client For Mac


Lotus Notes stores its database in Notes Storage Format (NSF) file. For every Lotus Notes account, there exist two NSF files- username.nsf file, which stores emails, calendars, tasks, etc. and names.nsf file, which stores only the Notes contacts. Since NSF is the proprietary database format of Lotus Notes, no other application supports it. Thus, NSF files are inaccessible in Apple Mail.

Lotus Notes is a business level email platform that is used widely by different organizations. The data storage file for the database is NSF. However, due to tough and not easily handling interface of the client users of Lotus Notes migrate their NSF files to another client like Apple Mail. Web-based results – Gmail, Hotmail, Yahoo! And Windows Live Mail PC results – Outlook 2003 and Outlook Express, Lotus Notes, Thunderbird Mac results – Mac Mail, Entourage, Eudora Web-based Xavier covered the web-based email environments perfectly, but we decided to throw Microsoft’s new Windows Live Mail into the mix to gaze into the. HCL Notes (formerly IBM Notes and IBM Lotus Notes) HCL Technologies (formerly IBM and Lotus Software), HCL Technologies: Windows, macOS, Linux Proprietary: GUI (Notes), Web (Verse, iNotes) and Mobile (Traveler) IMP: Horde LLC Cross-platform GNU General Public License: Webmail: K-9 Mail: K-9 Dog Walkers: cketti, et al. Android Apache License 2.0. HCL Notes Alternatives. The most popular alternative is Thunderbird, which is both free and Open Source.If that doesn't suit you, our users have ranked 39 alternatives to HCL Notes so hopefully you can find a suitable replacement.


On the other hand, we have Mac Mail. Apple Mail or Mac Mail is an email client that is included in the OS X operating system and is very common among Mac users. It stores its entire database in MBOX file and supports importing of data in MBOX format only. No other file format is accessible in Mail.

We have talked about both Lotus Notes and Apple Mail because the whole write up revolves around the method by which the user can import NSF to Mac Mail. We will discuss the necessity, the challenges faced, and the solution by which this can be done.

Scenarios of Converting NSF to Mac Mail Format

Since Lotus Notes is a complete application suite, its use is limited to corporate environments only. At times, an employee working with Lotus Notes might require taking some data to continue working at his home machine (Mac). For doing so, the user will need to copy the NSF file that is stored on the Windows machine he is using to the Mac machine of his home. However, as discussed earlier Lotus Notes is mostly used in organizations, the chance of the same employee having Lotus Notes in his home machine is next to impossible. Therefore, the user will opt for continuing the work in Apple Mail.

Lotus Notes user can download free Lotus Notes to MBOX Converter tool for quick conversion of NSF files.

Lotus notes email client for mac catalina

Challenges in Importing NSF to Apple Mail

The biggest challenge that a user faces during the importing of NSF file to Mac Mail is the inability of NSF files to be supported in Mac Mail. Since NSF file is created by Lotus Notes and is its proprietary file format, it is not accessible in any other application. On top of this, Mac Mail itself supports MBOX file format. Therefore, directly accessing or importing NSF files in Mac Mail is not possible.
The next challenge that comes up is that there exists no manual method, by which the user can convert the NSF files to MBOX format so that it can be accessed in Mac Mail.

Solution to Import NSF to Mac Mail

Since, NSF is not supported in any other email client except Lotus Notes and Mac Mail itself only supports MBOX file format, the only solution for doing so is to convert NSF file to MBOX format.
The user can convert NSF to MBOX format with the help of third party tools like NSF to MBOX Converter. The software converts the entire NSF file into MBOX format without compromising with the original file structure and without any data loss. Since it’s a Windows based utility, the conversion process should be done in the Windows machine only and not on Mac machine.
Once the NSF file is converted to MBOX format, it can be later on imported in Apple Mail. For doing so, follow the below-mentioned steps:

1) Log in Mail and select File option. From the drop-down menu, select Import Mailboxes option.

Import Mailbxoes

2) In the Import window, select filesin mbox format option and click on Continue.

3) Browse the MBOX file, which you want to import, select it and click on Choose option.

Choose MBOX file

4) Once the import process is finished, the location of the imported MBOX file will be shown. Click on Done option.

Lotus Notes Email Client For Mac Download

Once the MBOX file is imported, the user can view the entire data in Apple Mail.


Lotus Notes Email Client For Mac Catalina

The NSF file can be converted to MBOX format with the help of third party tool and can be later on easily imported in Apple Mail.

The invention of messaging has now createdthe world so small to communicate from one part of the globe to the other and most of its advantage is taken by many organizations as it helps them in improving their efficiency and productivity.

While buying the email client one takes consideration of its requirement, cost, and infrastructure. The popularity of Lotus Notes is not needed to tell it is a very productive platform that fulfills everyone’s needs and also offers many attractive features. Therefore, now many users want to convert their EDB files to NSF format

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Lotus Notes Email Client For Mac

What is IBM Lotus Notes?

IBM Notes or the Lotus Notes is a popular email client that offers vast business collaboration functions such as email messages, calendars, to-do lists, contact

management, discussion forums, file sharing, microblogging, instant messaging, Blogs, and so on. It is like a combo pack that offers all the features in one pack. Therefore, many organizations are now switching to IBM Notes client.

Reasons for Preferring Lotus Notes

Microsoft Exchange Server is known for the messaging and collaboration platform, IBM. But the limitation of Exchange Server is that it only supports the Windows platforms. Whereas, IBM Notes is designed for Windows, Mac, Linux, etc. It also supports the software and hardware virtualization and it is more flexible and reliable than other platforms.

IBM Notes is the best option that fitsyour requirements if you want thebest message the platform at the lower cost. Microsoft Exchange Server stores the entire mailbox data in an Exchange database called EDB file.

Whereas, IBM Notes stores all the business data such as emails and calendar data into a database saved in NSF format.

As you know that both the platforms run on the different file formats therefore, the migration of email is a big challenge. Additionally, there is no manual way to import or export email messages and other data from Exchange to Notes so you have to use the alternative tool or if you’re looking for a free solution, then try Notes Migration tool aka nUpgrade utility.

What is the nUpgrade utility?

You can use the nUpgradeutilitythat will help you in importing the mailbox data from Exchange to Notes client. Now you will think what isnUpgrade utility? Then the answer is it is a part of Notes Migration tools found revert automatically to the directory of Notes client program. It allows its users to import their mailbox data from Exchange to Notes without paying a single penny. But, to use the nUpgrade utility you must have Notes migration tools on your system. Therefore, firstly install the Notes migration tools so that you can use the nUpgrade utility.

You can use these simple steps to perform Exchange to Notes migration through nUpgrade utility: Adapter software free download.

1.Visit the locationof nUpgrade utility.

Double-Tap the nupgrade.exeand run the nUpgrade utility on the system.

2. Tap on the Next to begin the upgrade process, on the Notes Upgrade Services dialog box,

3. Then, choose the MS Exchange profile name on the list.

Tap on the Next to proceed further.

4. Choose one of the options that will decide the manner you want IBM Notes Upgrade to convert your personal details.

You can pick either of the following-

  • Express – All the personal detailsconverted to Notes (advised); or
  • Custom – Choose items to convert into Notes

Tap on the Next to go on with the Exchange to the Notes migration process.

5. After you tap on the next button now, the nUpgrade utility will start the data migration from Exchange to Notes and will take several minutes to complete the whole process.

When the Exchange to Notes migration process is completely done, then it’ll store all the email messages into the PersonalFolder.nsf and the contacts into Names.nsf (personal address book) files.

Alternative tool

You can use the SysInfo EDB to NSF converter tool thatallows its users to open the entire mailbox items, contacts, etc. to the IBM Lotus Notes platform and also convert the corrupt Exchange EDB files into Lotus Notes database.


Lotus Notes is the best platform that provides all the features in one place therefore, many users like to convert their EDB files into the NSF format. As there is no manual method therefore you can use the alternative tool that will transfer your data without any data alteration.