APXL File Extension

APXL file icon

Keynote Presentation Data Format

  • File Type apxl
  • Developer Apple
  • Popularity
    4.3 (35 votes)
  • Application Keynote
  • Category Settings Files
  • Format XML

What is a APXL file?

Files with the APXL extension are specifically tied to Keynote Presentation Data Format, a Settings Files type, and there are 1190 files in this category.

The Keynote Presentation Data Format (APXL), created by Apple, is one of file format they developed, and they also built 72 programs to support them.

APXL files are compatible with various operating systems, including Mac OS. When working with APXL files, you can rely on 4 programs, including Keynote, Atom and TextEdit.

Programs that support APXL files

How to open a APXL file?

If you can’t open a APXL file, it is usually because the necessary software is missing. To resolve the issue, select the right program from the list for your operating system. Then go to the official website of the developer, download the software, and install it.

Keynote, Atom and TextEdit are among the most widely used programs for handling APXL files. To install the most up-to-date edition of Keynote, visit the official Marek Jedlinski website. You can download the build that works across all operating systems.

After installing, your OS should instantly open APXL files with Keynote.

Setting Keynote as default APXL viewer

Change the default app for a file type in Mac

  1. Initiate a right click or use Control + left click on the desired APXL file to open a menu where you can select various actions;
  2. Choose "Open in Application" and click "Other";
  3. Look towards the bottom of the window, where you will find the "Enable" menu. "Recommended programs" will be the default selection;
  4. Choose "All Programs" in this menu and search for Keynote. Check the box next to "Always open in app" to set it as the default option.

Change default programs in Windows

  1. Take the first step by right-clicking on your APXL file. Next, select "Open With" and then choose "Choose another app" from the available options;
  2. Choose Keynote from the available applications listed in the pop-up window to set it as the default application to open your APXL file;
  3. Be sure to check the "Always use this app" checkbox, and then click "OK" to confirm your selection.

Tips and tricks to solve problems with APXL files

Problematic APXL files can usually be resolved by making small changes in your software. See the tips below to help fix common issues.

Are there any techniques or tools available to repair a damaged APXL file?

In a data recovery program, open the damaged APXL file and select the "Repair" menu option. Wait for the recovery process to finish as it will automatically restore the damaged settings files.

How do I know if my APXL file has been damaged?

The signs of corrupted APXL settings files can manifest as:

  • Error alerts occur when actions are performed on the file;
  • The file shows slow performance when edited in Keynote;
  • The file encounters problems during the opening process or shows error indications;
  • An unexplained increase in the size of the APXL file;
  • The file causes Keynote or other software to hang or crash during various operations;

What factors contribute to Keynote crash?

Lack of software updates is a possible reason behind Keynote crash. Keep your Marek Jedlinski products up to date by installing the latest updates.

Restarting your computer is an essential troubleshooting step that can resolve many common problems. It is recommended to restart your computer before making any changes to the software settings.

How to edit a APXL file?

To modify APXL files, it is necessary to install dedicated software that lets you open and edit settings files. Online APXL editors generally offer fewer tools compared to programs designed for Keynote Presentation Data Format.

Best APXL editors 2026

Based on the specified criteria, here is a list of APXL editors that may fit your requirements.

APXL Editor SoftwareDeveloperPlatformsOverall Rating
KeynoteMarek JedlinskiMac OS, Apple iOS, Windows4.4 out of 5 (40 reviews)