5 best lightweight email clients for low-end Windows 10 PCs

Milan Stanojevic
by Milan Stanojevic
Deputy Editor
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lightweight email software

No matter if you own a business or not, having a good email client can change the overall efficiency of the provided services.

This task would normally require you to spend a few hours every day sorting through emails. Using the right email client can offer you a wide range of benefits: faster responses to your clients, easy managing and sorting of emails, the ability to track emails, etc.

All these features can streamline the process of responding to your clients’ queries by sorting emails automatically by the sender.

Because the market has a wide range of email clients on offer, it is a daunting task to find the one that suits your needs perfectly and offers a great array of useful features, especially if you need a lightweight program that will not slow down your PC.

In this article, we will explore some of the best email clients existing on the market in 2019 that barely influence the processor of your PC, while still offering you a great range of features.

Top 5 best email clients that run on low specs PCs



Mailbird - Lightweight email clients

This software is an incredibly useful email tool that offers a great range of features, has a great user-friendly interface, and also is lightweight.

When it comes to the user interface, Mailbird offers a crisp, good looking and easy to access dashboard that gives you the power to customize every aspect of it.

You can also easily integrate your Mailbird with other apps like the Google Suite, and others. This allows you to expand the email client’s capabilities even further.

You can easily set up keyboard shortcuts, allowing you to run commands without even touching your mouse, or dragging and dropping any element.

By the use of two keys, Mailbird can start, stop and edit every aspect of the process of creating, managing, and delivery of your important emails.

By using this software’s pop-up capabilities, you can read any email you received fast, store the data received, and also reply, all from one pop-up screen.

While using the fast-response tool incorporated in Mailbird, you can still use any other options outside of the pop-up window, making it easier than ever sort out through long email lists and manage them accordingly.

One important aspect of managing your emails – sorting thereof-, becomes even more important as the number of the emails received increases by the day.

It is very important to be able to access the information from the emails in a quick and efficient way, that’s why Mailbird has incredible email sorting capabilities.

You can categorize every email by using different label colors and names. You can create your own labels or choose one from the built-in options available.

We’ve also written an in-depth Mailbird review. Do check it out to learn more about this email client.

With the free version of Mailbird, you can use it only for personal use, but it still offers you multi-account support (IMAP, POP3), access to a very useful contact manager, and also has support for other third-party apps.

With Mailbird Pro, you get access to all the features found in the free version, and more useful features are added.

Some of the key features include:

  • Option for sending emails at a specific time or date
  • Supports an unlimited number of email accounts
  • Preview features for all your attachments
  • Professional-level support for all your problems
Editor's choice
mailbird mail client app logo
  • Social Media Integration
  • Friendly User Interface
  • Free Version Available

eM Client

eM Client - ligthweight email clients

eM Client is another great light-weight email client software option that allows you to manage your email databases without too much hassle. It offers great visuals and an easy to understand experience.

Because of its seamless integration with other email clients like Gmail, Exchange, and Outlook, eM Client is one of the best software options on the market, coming in very close to software we presented above, called Mailbird.

You can easily transfer complicated schedules from your calendar, and also add contacts from other third-party software, allowing you not to worry about your data not being compatible.

Use one of these email migration tools to quickly switch from one email client to another.

Some of the most important feature of eM Client include:

  • Integrated chat app compatible with any other chat service
  • Automatically translate emails
  • Set up delayed times for sending your emails
  • PGP encryption that offers you a secure environment

It is worth noting that the free version of eM Client offers a useful set of tools that make managing your emails and easier task, but it is limited to only 2 email accounts.

With the Pro version, eM Client gives you access to an unlimited number of email accounts, VIP support, and also commercial licensing rights, so you can use this app for a company.


The Bat!

The Bat ! - lightweight email client

This is an incredibly lightweight email client that is certified to be used on Windows 10, but has no system requirements, so you can run it on any PC, no matter the hardware specifications.

This software was designed with your email security in mind, with incredibly powerful encryption capabilities.

The Bat! protects your information by using a layered encryption process, that contains multiple encryption streams. You can choose to keep all your encrypted files on your disk, or protect your PC while communicating through email with its end-to-end encryption (E2EE).

Add an extra layer of security to your emails with these additional email encryption tools.

The Bat! works perfectly with any email providers that store your messages in the cloud, and offers you the option to keep all your emails stored on a local computer/ hard-drive/ USB data storage.

Beyond the 3 layers of encryption that cover your precious information, keeping the data stored on your local hard-drive gives the ”attackers” no chance of reaching them remotely or locally.

One of the best features of The Bat! is the fact that the number of email accounts that can be connected through this app is unlimited (IMAP, POP, MAPI protocols).

You also get unlimited data storage capabilities, so you never have to worry about losing data, or not having any space to store it in.

By using this software, you can rest assured that your data is protected with high level, and layered encryption, and you can also use and manage multiple email accounts, from one simple and easy to understand dashboard.

Other notable features found in The Bat! include:

  • Full support for PGP, GnuPG, and S/MIME
  • Greately useful filtering system that allows you to pre-sort your emails with ease
  • Incorporated HTML viewer
  • Image retrieval features that are easy to customize and configure to your needs
  • Built-in address book
  • Great looking templates
  • Selective message download
  • RSS Feed subscription

Download The Bat!



Mailspring - lightweight email clients

Mailspring is another great lightweight software option that allows you to manage every aspect of your email database.

This software was designed for speed of processing, making it a viable option to the software we presented you above.

One of the few downsides of using this software is the fact that you need to create a Mailpring account in order to use the app.

Once this is done, you get access to an easy to understand dashboard that takes you through every step of the process. You first need to choose one of your email providers from a list – Gmail, Yahoo, etc. , and then use the stored passwords from your PC, to login easily.

Here are some of the most notable features found in Mailspring:

  • Supports multiple email accounts (IMAP and Office 365)
  • Can be used with touch devices
  • Can set advanced shortcuts with custom keys
  • Incredibly fast search tool
  • Unified inbox – all your email accounts can be accessed and modified from one inbox
  • Can give you read receipts for sent emails, and also link tracking
  • Great customizable themes and layouts

One of the most useful features found in Mailspring is its incredibly powerful search engine.

You can use this feature to search message contents, search for multiple phrases at the same time, by specific label or folder, or by using the Gmail-style saerch phrases like : ”is: unread”, ”has: attachment”, etc.

Mailspring also contains a great signature editor that allows you to create and customize every aspect of your signature, to make it represent yourself or your company properly, and you can even attach images to it.

Make your email signature stand out in the crowd with these tools.

You can use this software to automatically translate your emails into languages like Spanish, Russian, simplified Chinese, French, and German, all from the comfort of the same screen.

This software also automatically detects the language in which you’re writing in, and adapt the speck check features, without you needing to modify the settings manually.

The free version of this software has a great range of features, but the number of times you can use them in is limited.

For example, you can set a limited number of schedule reminders, and snooze messages a limited amount of time.

Even though the free version has its limitations, it can still offer you great solutions.

Mailspring Pro Edition contains all the features found in the free edition, and also adds :

  • Unlimited number of schedules reminders
  • Unlimited number of snoozed messages
  • Read receipts – allows you to see when the email you sent has been read
  • Link tracking – allows you to gather data relating to the way your clients engage with your content
  • Great quick reply templates – allows you to avoid re-typing the same repetitive emails every time, by creating a template once and using it whenever you need

Download Mailspring



Sylpheed - lightweight email clients

Sylpheed is another great lightweight software option that comes with fewer features than the other options we presented in this article. But the tool still has the full range of capabilities of a modern email client.

Besides not having any built-in bloatware, this software has an old school user interface that reduces the amount of processing power your computer needs even more.

Here are some of the best features of Slypheed:

  • Easy to understand UI that is constantly being improved
  • Easy keyboard shortcuts for fast processing
  • Greatly organized configuration elements – gives you easy access to customize every aspect of your software
  • Architecture built on C language
  • Great filtering and search options
  • Can easily backup, migrate and process messages
  • Stability – even if software crashes, data is still intact
  • Great spam mail control – automatically learns characteristics of spam and reacts accordingly
  • Support for POP3, IMAP4rev1, SMTP, NNTP, IPv6
  • Security features – GnuPG, SSl/TLSvl

Download Slypheed


In this article, we explored some of the best lightweight email client software solutionsthat cover your basic email-managing needs, and also offer a great range of other useful features like layered encryption, read receipts, scheduling, contact transfer, seamless compatibility with other software, etc.

We would love to find out which of these 5 options you chose to use.

Feel free to let us know in the comment section below.