Mobile supported file types for document conversion in UWP

PDF

Format	Android / Xamarin.Android	iOS / Xamarin.iOS	UWP
PDF (1.x to 2.0)	✓	✓	✓
PDF/A 1,2,3	✓	✓	✓
XFDF	✓	✓	✓
FDF	✓	✓	✓

Office

Format	Android / Xamarin.Android	iOS / Xamarin.iOS	UWP
DOC	✓	✓	✓
DOCX	✓	✓	✓
XLS	✓	✓	✓
XLSX	✓	✓	✓
PPT	✓	✓	✓
PPTX	✓	✓	✓

^ MS Office software or licenses are not needed to support Word, Excel, and PowerPoint file types.

Image

Format	Android / Xamarin.Android	iOS / Xamarin.iOS	UWP
SVG	✓	✓	✓
BMP	✓	✓	✓
WMF
EMF	✓	✓	✓
GIF	✓	✓	✓
HDP
JPG	✓	✓	✓
JP2, JPC	✓		✓
PNG	✓	✓	✓
TIF	✓	✓	✓
HEIF		✓

Other

Format	Android / Xamarin.Android	iOS / Xamarin.iOS	UWP
RTF	✓	✓
HTML	✓	✓
TXT	✓	✓
XPS	✓	✓	✓
XOD**	✓	✓	✓
APPLE PAGES		✓
APPLE KEYNOTE		✓
APPLE NUMBERS		✓

XOD is available on all platforms but viewing encrypted XOD is only supported for Web