Yahoo! Instant Messenger

Yahoo! Instant Messenger software icon
  • Developer Yahoo
  • Platforms Desktop
  • Operating Systems Windows
  • Supported formats 2
  • Rating
    4.3 (37 votes)

Yahoo! Instant Messenger supports 2 different file extensions and has the ability to open, modify and convert them to alternative formats. The table lists the program’s functions and supported file extensions.

With support for different file extensions, Yahoo! Instant Messenger is great for handling diverse files daily. Easily open files in PY, RTL and other popular formats using this tool.

Yahoo! Instant Messenger allows converting files from one format to another, simplifying file sharing.

Visit the official Yahoo developer website to get the latest version of Yahoo! Instant Messenger.

Yahoo! Instant Messenger developer’s website

Files that Yahoo! Instant Messenger can open

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Easy Yahoo! Instant Messenger troubleshooting

How do I designate Yahoo! Instant Messenger as the default program to open files?

Change a default app in Windows

  1. Start the process by right-clicking on your file and selecting "Open With". From there, click "Choose another app" to continue;
  2. Find the Yahoo! Instant Messenger 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. Choose "Open in Application" and click "Other";
  3. Go to the lower section of the window, where you will find the "Enable" menu. By default, it is set to "Recommended Programs";
  4. Choose "All Programs" within this menu and locate Yahoo! Instant Messenger. Check the box next to "Always open in app" to set it as the default program.

Why does Yahoo! Instant Messenger crash?

Lack of regular software updates can cause Yahoo! Instant Messenger to crash. Make sure you have installed the latest updates for developer products.