Alternatives to Microsoft Office Outlook for all platforms with any license

  • Thunderbird icon

    Thunderbird

    Thunderbird is a free, open source, cross-platform e-mail, news and instant messaging client. The project strategy is modeled after Mozilla Firefox. It supports POP (storing mail locally on your hard drive so that it can be accessed...

    Open Source Mac Windows Linux BSD PortableApps.com Haiku

    • Despite its age, Thunderbird remains the most fully featured email client out there. Various add-ons can extend its functionality, it (now) has a built in calendar and, unlike Outlook, it's free, open source and respects your privacy.
      JohnFastmanJan 2017 Disagree   Agree
  • Inbox by Gmail icon

    Inbox by Gmail

    Built on everything that we've learned from Gmail, Inbox is a fresh start that goes beyond email to help you get back to what matters. Bundles, because some messages just belong together. Promotions are now neatly...

    Free Web / Cloud Android iPhone Chrome OS iPad Chrome

    • It is not able to connect to Microsoft Exchange Server or Office 365 account
      Guest • Apr 2016 Disagree   Agree
  • K-9 Mail icon

    K-9 Mail

    K-9 is an open source email client for Android with multi-folder sync, email signatures, Bcc-to-self, return-address configuration, keyboard shortcuts, Exchange Support, message flagging, IMAP deletes, saving attachments, configurable...

    Open Source Android Android Tablet

    • Not the prettiest, but it's open source (trustworthy), free, privacy-respecting and very functional. My go-to Android email client. I cannot hesitate less in recommending it.
      JohnFastman7 days ago Disagree   Agree
  • eM Client icon

    eM Client

    eM Client is a full featured e-mail client with a modern and easy to use interface. eM Client also offers calendar, tasks, contacts and chat.

    Free Personal Windows

  • Mailbird icon

    Mailbird

    Mailbird is more than just another email client - It's an all-in-one communication platform for email, contacts, calendar, apps, task management, video meetings and much more. Try it free, today.

    Freemium Windows

    • It is only for Mail and can not use Exchange Accounts
      Guest • Dec 2016 Disagree   Agree
  • Apple Mail icon

    Apple Mail

    There’s big news attached. The best way to manage email on a Mac gets even better with OS X Yosemite.

    Free Mac iPhone iPad

    • Outlook is an all-in-one solution including mail calendar etc. this soft does only one thing
      Guest • Oct 2015 Disagree   Agree
  • Evolution icon

    Evolution

    Evolution is the official personal information manager and workgroup information management tool for GNOME. It combines e-mail, calendar, address book, and task list management functions. It has been an official part of GNOME since...

    Open Source Linux BSD GNOME

  • Opera Mail icon

    Opera Mail

    Opera Mail powerfully organizes, indexes, and sorts your messages. It has spam filtering (both automated and Bayesian), supports POP3 and IMAP, newsgroups as well as Atom and RSS feeds. Opera Mail uses one database that keeps an...

    Free Mac Windows PortableApps.com

  • Postbox icon

    Postbox

    Postbox is an email application that helps you organize your work life and get stuff done. It has all the elegance and simplicity of Apple Mail, but with more power and flexibility to manage even the most demanding workloads. ...

    Commercial Mac Windows

  • Geary icon

    Geary

    Geary is an email application built for GNOME 3. It allows you to read and send email with a simple, modern interface.

    Open Source Linux BSD GNOME

  • Nylas Mail icon

    Nylas Mail

    Nylas Mail is an email client designed to be friendly and easy to use but also powerful and highly extensible. It works "out of the box" with all the major email services like Gmail, Yahoo and iCloud and the lightweight...

    Freemium Mac Windows Linux Web / Cloud Self-Hosted

  • Claws Mail icon

    Claws Mail

    Claws Mail is an email client (and news reader), based on GTK+, featuring Quick response Graceful, and sophisticated interface Easy configuration, intuitive operation Abundant features Extensibility ...

    Open Source Windows Linux BSD Xfce

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  • Airmail icon

    Airmail

    Airmail is a lightweight and lightning fast mail client for Mac. Feature list: Accounts: - Unified Inbox and folders - Multi Account with editable html signatures. - Aliases management with custom SMPT - Support for Gmail...

    Commercial Mac iPhone iPad Apple Watch

  • Inky icon

    Inky

    End-to-End Encrypted Email that is a Delight to Use, on all devices, with all email accounts.

    Commercial Mac Windows Android iPhone Android Tablet iPad

  • Sylpheed icon

    Sylpheed

    Sylpheed is a simple, lightweight but featureful, and easy-to-use e-mail client (mailer, MUA). Sylpheed runs on many systems such as Windows, Linux, BSD, Mac OS X and other Unix-like systems. Sylpheed uses GTK+ GUI toolkit. The...

    Open Source Mac Windows Linux BSD PortableApps.com

  • EssentialPIM icon

    EssentialPIM

    EssentialPIM lets you manage appointments, tasks, notes, contacts, password entries and email messages across multiple devices and cloud applications. PIM stands for Personal Information Manager, and it allows you to keep all you...

    Freemium Windows Android iPhone

    • Tricky to configure. Does not speak MAPI, but many Cloudservices. I was not successful to synchronize OwnCloud
      Guest • Dec 2016 Disagree   Agree
  • The Bat icon

    The Bat

    The Bat! is a secure email client software, built to protect your correspondence against third-parties. .

    Commercial Windows

  • Apple Calendar icon

    Apple Calendar

    Keep track of your busy schedule and share it with others using Calendar. Create separate calendars — one for home, another for school, a third for work, and so on. See all your calendars in a single window or choose to see only the...

    Free Mac iPhone iPad iCloud

    • Outlook is an all-in-one solution including mail calendar etc. this soft does only one thing
      Guest • Oct 2015 Disagree   Agree
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  • Mutt icon

    Mutt

    Mutt is a small but very powerful text-based mail client for Unix operating systems. Some of its features are: color support, message threading, MIME support (including RFC2047 support for encoded headers), PGP/MIME (RFC2015), various...

    Open Source Mac Windows Linux Xfce

  • Open365 icon

    Open365

    The open source cloud with LibreOffice online - LibreOffice online + Seafile + KDE. Improve your productivity and communicate better with your team members. The world is moving forward. Welcome to the open source cloud!.

    Open Source Mac Windows Linux Android iPhone Self-Hosted

  • Zimbra Desktop icon

    Zimbra Desktop

    The free Zimbra Desktop client allows you to meld the online and offline worlds – storing and synching your email, calendar, contacts, files and documents in the cloud, yet having them locally accessible when on the road. Zimbra...

    Free Personal Mac Windows Linux

  • Spark icon

    Spark

    E-mail app with all the great features: swipes (long/short), snooze, add (multiple) attachments from the cloud, support for various e-mail services and more.

    Free Mac iPhone iPad Apple Watch

  • Polymail icon

    Polymail

    The most powerful platform for email productivity in a beautiful native app — on desktop and mobile.

    Freemium Mac iPhone iPad

  • Newton icon

    Newton

    Newton (previously CloudMagic) is a fully featured mail client available for Android, iOS and macOS. Works for watch too. It's based on cloud so you can connect it to any account and get fast search, push notifications, read...

    Commercial Mac Android iPhone Android Tablet iPad Apple Watch Android Wear

  • Kontact - KMail icon

    Kontact - KMail

    KMail is the email component of Kontact, the integrated personal information manager of KDE. Kontact is a personal information manager and groupware software suite for KDE. It supports calendars, contacts, notes, to-do lists, news...

    Open Source Mac Windows Linux BSD

  • Mail icon

    Mail

    Windows 10 has Mail and Calendar apps already built in. With the Mail application you can now easily see all message from your favorite people, more clearly organize social updates and...

    Free Windows

  • Trojitá icon

    Trojitá

    Trojitá, is a fast Qt IMAP e-mail client that respects open standards and facilitates modern technologies. Trojitá values vendor-neutrality that IMAP provides and is committed to be as interoperable as possible.

    Open Source Windows Linux

  • Kin Calendar icon

    Kin Calendar

    Kin Calendar is a simple yet connected calendar, developed as a Sunrise replacement. Simple enough to help you better understand when, where and with whom you need to be. Connected to integrate all the services that you use...

    Free Web / Cloud

  • Foxmail icon

    Foxmail

    Foxmail is a free POP3 and IMAP4 e-mail client in English and Chinese for Windows systems.

    Free Windows

  • aCalendar icon

    aCalendar

    Android calendar-app showing the weeks of the year (week numbers), 21 languages, syncable with Google Calendar: FEATURES * intuitive navigation with smooth transitions * day, week & month calendar * 48 colors per calendar...

    Free Android

  • VueMinder Calendar icon

    VueMinder Calendar

    Take control of your schedule and get reminded wherever and however you want. Instantly access your appointments, tasks, and notes with a simple glance at a transparent calendar that sits right on your Windows desktop. Share calendars...

    Freemium Windows

  • Kontact icon

    Kontact

    Kontact is the integrated Personal Information Manager of KDE. Kontact suite unites mature and proven KDE PIM applications under one roof. Thanks to the powerful KPart technology, existing applications are seamlessly integrated...

    Open Source Windows Linux

  • ALTO Mail icon

    ALTO Mail

    Alto Mail makes managing your email easy again. Add all your mail accounts to our app (including Gmail, Outlook, Yahoo!, AOL Mail, iCloud, Hotmail and others) and see all of your email in one place. Beyond the typical inbox display...

    Free Web / Cloud Android iPhone Android Tablet iPad

  • Pantheon Mail icon

    Pantheon Mail

    Pantheon Mail is a free open source email client forked by the elementary OS community from Geary . Features Modern and straightforward interface ...

    Open Source Linux elementary OS

Microsoft Office Outlook Comments

This is silly. I want a lightweight alternative to the Outl ... -1 Helpful

Comment by togakangaroo
about Microsoft Office Outlook Jun 2011

This is silly. I want a lightweight alternative to the Outlook Client so I don't have to choose between running that piece of crap or the piece of crap exchange site. Gmail an alternative mail server, and a great one, but it is not an alternative to the outlook client.

This needs subcategories.

Reply

As a mail app the current version of outlook (2007) fails. ...

Comment by Furgelnod
about Microsoft Office Outlook Jun 2011

As a mail app the current version of outlook (2007) fails. But I think the calendar and contact management surpass the alternatives I personally have tried.

Reply

Compare Mail-Apps (filter+store+sync) .............Outlook ... 1 Helpful

Comment by em4020
about Microsoft Office Outlook Jun 2011

Compare Mail-Apps (filter+store+sync) .............Outlook .... ThundBd ... Live Mail ... web-GMail + Google Cal
E-Mail filter can search in IMAP-Mail-Text (Body) ..........5 Yes ........ 0 No ............. 0 Pop3 ..... 5 Yes
E-mail filters also for IMAP accounts ..............................5 Yes ....... 5 Yes ........... 0 Pop3 ..... 5 Yes
E-Mail Filter without bugs .............................................. 5 Yes ........ 5 Yes ........... 5 Yes ...... 0 No (Bug: Labels deleted)
E-Mail filter can be sorted .............................................. 5 Yes ........ 5 Yes .......... 5 Yes ...... 0 No
E-Mails can be stored as txt-File ....................................5 Yes ........ 5 Yes ............0 No.......... 0 No
Application can open/store msg-Files ............................5 Yes ........ 0 No ............. 0 No.......... 0 No
Application can open/store eml-Files ..............................0 Yes ....... 5 Yes ........... 5 Yes ....... 0 No
Application can convert eml to msg/msg to eml-Files .... 0 No .......... 0 No ............. 0 No.......... 0 No
E-Mails can be copied to ClipBoard inkl. Header ............ 0 No ...........0 No ............. 0 No ......... 0 No
Synchronize yearly event Windows Mobile + 2nd PC ... 0 Bug..........0 No ............. 0 No ......... 5 Yes: Google Cal
Sum assessment pts. ( only filter+store+sync) .. 30 .............. 25 .................15 ............15 points

Reply

Comparison of Mail-Applications ........................Out ... 1 Helpful

Comment by em4020
about Microsoft Office Outlook Jun 2011

Comparison of Mail-Applications ........................Outlook ... ThundBd . Live Mail ... web-GMail + Google Calendar
Mail-Application is free of charge ................................0 No ..........5 Yes .......... 5 Yes ....... 5 Yes
Space demand on the hard disk ..................................1 150? ...... 4 33 MB....... 4 39 MB ....5 Only Online
Mail-Text of received Mails afterwards changeable: ..5 Yes ....... 0 No ............. 0 No ........ 0 No
User can add an additional column (from / to) in list ....5 Yes ....... 5 Yes .......... 0 No ........ 0 No
Subject of received Mails afterwards changeable: .... 5 Yes ........0 No .............0 No ........ 0 No
Paste picture in a new Mail directly from ClipBoard.... 5 Yes ........ 5 Yes .......... 0 No .........0 No
E-Mail text formatting .................................................. 5 perfect ... 4 good ........ 5 OK ........ 1 not enough
Send and signatures with more EMail-addresses....... 3 Yes ........2 difficult ..... 3 Yes ...... 4 Yes, but for send only 1 address
E-Mail filters: Search in body, sorting, with IMAP........ 20 ..............15 .................10 .......... 10
E-mail storing: eml, msg, txt, clipboard, sync mobile.....10 .............10 ..................5 .............. 5
Sum assessment points (all features)................59 ..............50 .................32 ............24

Reply