How to open .key files in Windows 10 – Easy Steps

How to open .key files in Windows 10

Apple is no stranger to productivity and has its own suite of apps collectively called iWork. iWork includes a document processor, spreadsheet tool, presentation tool, and its famous iMovie movie editing tool, among other applications.

Like many of its products, Apple’s iWork tools have their own proprietary format. Keynote, the iWork presentation tool, uses the .KEY file format.

Open .key files in Windows 10

The .KEY format is not supported by PowerPoint. If you use Microsoft Office, your presentation application will not be able to read the format. You can try to repair the file, but it eventually fails. To open .KEY files in Windows 10, use one of the methods below.

1. Google Presentations

Google Slides is a convenient tool to use if you want to open a .KEY file. It will keep most of the formatting and replace the fonts that it does not support.

  1. Visit Google Slides and click the plus button to create a new slide file.
  2. Go to File> Open.
  3. In the window that opens, select the Upload tab.
  4. Click Upload from my computer.
  5. Select the .KEY file.
  6. Wait for the file to load and Google Slides will open it.
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2. View in iCloud

This method will ensure that the file opens with most, if not all, of its layout and content intact. The only downside is that you need to create an iCloud or Apple ID to use it.

  1. Sign in to iCloud with your Apple ID.
  2. Click on the Keynote application.
  3. Click on the upload icon.
  4. Select the .KEY file and upload it.
  5. Once uploaded, you will be able to open it in iCloud (in your browser).

3. Convert to PPTX format

If you are not only looking to open the KEY file, but also to edit it in Windows 10, you will need to convert it to the PPTX format. There are online applications that can do the job; some work, some don’t.

  1. Visit Cloud conversion.
  2. Click Select Files.
  3. Select and load the file KEY.
  4. Select PPTX as the format to convert the file.
  5. Download the converted file format.
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4. Request a PPTX file

Keynote files cannot be opened in PowerPoint; however, you can save them as a PowerPoint file from within the Keynote application. Ask the person who sent you the file to save it as PowerPoint. To save it as a PowerPoint file, follow these steps.

  1. Open the KEY file in Keynote.
  2. Go to File> Export As.
  3. Select PowerPoint from the menu.
  4. Select where you want to save the file.


You won’t find many presentations in the KEY format. It is not as popular in the PPTX or PDF format for sharing presentations, so there is little editing support for the format. You will be able to view the file in iCloud, but if you need to edit it in Windows 10, it’s best to convert the file from within the Keynote app.