Adobe Photoshop CS6 User Manual page 580

Supported file formats in Photoshop CS6
Asterisks (*) indicate formats newly supported with CS6.
Audio import formats
The following formats can now be opened in Photoshop Standard and Extended. (In Photoshop CS5 and prior, Extended was required.)
AAC*
AIFF*
M2A*
M4A*
MP2*
MP3*
Video import formats
.264*
3GP, 3GPP*
AVC*
AVI
F4V*
FLV*
MOV (QuickTime)
MPE*
MPEG-1
MPEG-4
MPEG-2 if a decoder is installed (for example, with an Adobe video suite)
MTS*
MXF*
R3D*
TS*
VOB*
Video export formats
DPX*
MOV (QuickTime)
MP4
Graphic file formats
Photoshop PSD
Large Document Format PSB
BMP
Cineon
CompuServe GIF
Photoshop DCS 1.0
Photoshop DCS 2.0
DICOM
Photoshop EPS
IFF format
JPEG
JPEG2000
OpenEXR
PCX
Photoshop PDF
Pixar
PNG
Portable Bit Map
Photoshop Raw
Scitex CT
Targa
TIFF
Wireless Bitmap
Photoshop 2.0 (Mac only)
PICT (read only)