Apple has already introduced Keynote that will allow Mac users to make a presentation that is stored in the .key format. No doubt that you can access Microsoft Office to create a presentation on Mac, but if you have already created a presentation in keynote and want to open it in Windows 10, the operating system just unable to read .key.
In this article, we’ll be discussing the easiest ways to convert the .key file format in such a way that Windows Operating System will recognize it. Just make sure to go through the article till the end, and we’ll show you how to open a .key file in PowerPoint on Windows 10. Without further delay, let’s get started.
First, we need to convert the .key file format into a .ppt or .pptx file in order to access the same file on Windows OS.

Using Keynote tool for Mac
To convert .key file into .pptx or .ppt, users need to do the following:
Step 1: Open the same presentation file on Keynote.
Step 2: Now, go to File.
Step 3: Search for “Export To” in the list.
Step 4: From the drop down, select Export To “PowerPoint…”

Now, the .key file format will be converted to .pptx file format. You can also convert the file into .ppt by the Advanced options and choose to keep .ppt from the drop-down menu and save the file to the preferred location.
Additionally, you can convert the same file into PDF format if you want but the animation won’t work in PDF format.
Using Keynote file format converters
You can quickly convert the .key file format to .ppt or .pptx by Zamzar and Cloudconvert.
For Zamzar
Step 1: Visit the Zamzar official web page.
Step 2: Browse your source file (.key).
Step 3: Select .pptx from the output format’s drop-down menu.
Step 4: Enter your email ID and press the “Convert” button.
Step 5: The download link will be provided in your email, click on the link to begin the download.

For Cloudconvert
Step 1: Visit Cloudconvert official web page.
Step 2: Select the required file.
Step 3: Choose the output file format.
Step 4: Press the “Start Conversion” button.

The file is all set to work on Windows 10.
These are the most easiest way to open .key file format in PowerPoint for Windows 10.