Email Attachment Won’t Open

The file type may not be supported. iPhone supports the following email attachment file formats:

.doc: 

Microsoft Word

.docx: 

Microsoft Word (XML)

.htm: 

webpage

.html: 

webpage

.key: 

Keynote

.numbers: 

Numbers

.pages: 

Pages

.pdf: 

Preview, Adobe Acrobat

.ppt: 

Microsoft PowerPoint

.pptx: 

Microsoft PowerPoint (XML)

.rtf: 

Rich Text Format

.txt: 

text

.vcf: 

contact information

.xls: 

Microsoft Excel

.xlsx: 

Microsoft Excel (XML)