Microsoft Outlook

Microsoft Outlook software icon
  • Developer Microsoft
  • Platforms Desktop
  • Operating Systems Windows and Mac OS
  • Supported formats 77
  • Rating
    4.8 (43 votes)

Microsoft Outlook supports 77 different file extensions and can open, edit and convert them to other formats. The table provides information about the program’s features and the file extensions it supports.

Microsoft Outlook can be used for daily work with various file extensions. You can open and view files in CSV, PST, EML, and many other formats easily.

A key feature of Microsoft Outlook is converting files between formats, making sharing easier.

To download the latest version of Microsoft Outlook, visit the official Microsoft website for the download link.

Microsoft Outlook developer’s website

File extensions supported by Microsoft Outlook

Solve problems with Microsoft Outlook

What Causes Microsoft Outlook to Crash Frequently?

The absence of software updates can cause Microsoft Outlook to crash. It is recommended to install the latest available updates for developer products.

Restarting your computer is often an effective solution to resolve various common problems. Therefore, it is recommended to do so before making any changes to the software configuration.

How to set Microsoft Outlook as the default program to open files?

Setting a default program by file type in Windows

  1. Right-click your file, then navigate to the "Open With" option and click "Choose Another Application" to continue;
  2. Find the Microsoft Outlook application in the pop-up window and select it as your preferred program;
  3. Select the "Always use this application" check box and click "OK" to save your selection as the default application for opening files.

Change the default app that opens a file on Mac

  1. Right click or use Control + Left Click on the desired file to access a dropdown menu of actions;
  2. Select "Open in application" and click "Other";
  3. At the bottom of the window, you will find the "Enable" menu. Default, will be set to "Recommended Programs";
  4. Within this menu, select "All Programs" and then locate Microsoft Outlook. Check the box next to "Always open in app" to set it as the default program.

Alternatives to Microsoft Outlook

SoftwareDeveloperPlatformsOverall Rating
AnkiDamien ElmesMac OS, Windows4.7 out of 5 (37 reviews)
BootstrapOtto & ThorntonWindows, Linux, Mac OS4.6 out of 5 (38 reviews)
MPwinProcedimientos-UnoWindows4.6 out of 5 (40 reviews)
Weibull++ReliaSoftWindows4.6 out of 5 (38 reviews)
AVS Media PlayerOMTWindows4.4 out of 5 (39 reviews)
NcviewDavid W. PierceLinux4.4 out of 5 (35 reviews)
Samsung KiesSamsungWindows, Mac OS4.4 out of 5 (38 reviews)
Microsoft Dynamics AXMicrosoftWindows4.3 out of 5 (43 reviews)
OLM ViewerSysToolsWindows4.3 out of 5 (38 reviews)
TimeMapLexisNexisWindows4.2 out of 5 (41 review)