Opening Apple Keynote Files on Windows
A gorgeous deck built on a Mac becomes an unopenable .key file on your PC.
TL;DR
Apple Keynote decks (.key) are Mac-only and will not open on Windows. Legacy File Converter converts them to PPTX or PDF locally so you can present or edit on a PC.
Keynote is Apple’s presentation app, and its .key files do not open on Windows at all. If a colleague built the slides on a Mac, you are stuck — unless you convert the file.
Why .key won’t open on a PC
- Keynote is not available for Windows.
- PowerPoint does not import the .key format.
- Re-exporting requires access to the original Mac.
Convert to a deck you can use
Add the .key file
Drag it in or right-click it in Explorer.
Choose PPTX or PDF
PPTX to edit and present in PowerPoint, PDF to share a fixed copy.
Convert offline
No Mac and no iCloud account needed.
Summary
A Keynote file is not a wall on Windows. Convert .key to PPTX or PDF and the slides are yours to use.
Related reading
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Full app features · up to 10 files
Windows 10 or 11
Same free trial as always — download the Windows installer and convert locally on your PC.
Direct Windows installer · offline MSI
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Requires Windows 10 or 11. No subscriptions. 100% Windows Native.