File Extension Detail Icon

File Extension - Detail

Open that Unknown File!

File Extension - Application Detail

Open files with Microsoft® HTML Help Workshop - hhw.exe

Microsoft® HTML Help Workshop
hhw.exe
Microsoft Corporation

Open Extension With:

Name Extension
HTML Help Project File .hhp
Index .hhk
Dialogic VOX file .hhc




Browse File Extensions

A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
USA Based Support

Unlimited Calls With a Technology Expert

Support Unlimited from PC Matic includes support and tech coaching via Phone, Email, Chat and Remote Assistance for all of your technology needs on computers, printers, routers, smart devices, tablets and more.
Annual Price
$100
Learn More

PC Matic Newsletter

Our weekly newsletter is packed with computer tips & tricks. As a bonus, receive monthly emails with exclusive offers.