Blocked file extensions in MOSS 2007 and SharePoint 2010

MOSS 2007 by default blocks certain file extensions, as documented here: 

http://office.microsoft.com/en-us/winsharepointadmin/HA011608011033.aspx

SharePoint 2010 blocks the same file extensions as MOSS 2007, but also adds six new file types:

ps1
ps1xml
ps2
ps2xml
psc1
psc2

Here’s a full list of file extensions blocked by default in SharePoint 2010 (as copied from Central Administration):

ade
adp
app
asa
ashx
asmx
asp
bas
bat
cdx
cer
chm
class
cmd
cnt
com
config
cpl
crt
csh
der
dll
exe
fxp
gadget
hlp
hpj
hta
htr
htw
ida
idc
idq
ins
isp
its
jse
ksh
lnk
mad
maf
mag
mam
maq
mar
mas
mat
mau
mav
maw
mda
mdb
mde
mdt
mdw
mdz
msc
msh
msh1
msh1xml
msh2
msh2xml
mshxml
msi
msp
mst
ops
pcd
pif
prf
prg
printer
ps1
ps1xml
ps2
ps2xml
psc1
psc2
pst
reg
rem
scf
scr
sct
shb
shs
shtm
shtml
soap
stm
url
vb
vbe
vbs
ws
wsc
wsf
wsh
 
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2 Responses to “Blocked file extensions in MOSS 2007 and SharePoint 2010”


  1. 1 microtech May 15, 2010 at 1:14 pm

    aha! now i know why some of the file don’t open when i try to open them up on MOSS 2007. it’s really important to have some proper SharePoint Training before trying it out. according to http://www.solartechnj.com/sch_microsoft_sharepoint_training_moss.asp there are really certain files that cannot be opened on MOSS 2007 due to compatibility.

  2. 2 Scott Flaherty May 29, 2010 at 12:45 pm

    Super great post. Honestly!


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