<s>
Handheld	B-Operating_System
PC	I-Operating_System
Explorer	I-Operating_System
,	O
or	O
as	O
it	O
is	O
more	O
commonly	O
referred	O
to	O
,	O
H/PC	B-Operating_System
Explorer	O
was	O
the	O
Windows	O
PC	O
host	O
client	O
for	O
the	O
inaugural	O
generation	O
of	O
Microsoft	B-Operating_System
Windows	I-Operating_System
CE	I-Operating_System
1.0	O
based	O
embedded	O
PC	O
companion	O
devices	O
,	O
the	O
Handheld	B-Operating_System
PC	I-Operating_System
.	O
</s>
<s>
There	O
were	O
two	O
releases	O
of	O
H/PC	B-Operating_System
Explorer	O
.	O
</s>
<s>
The	O
initial	O
release	O
of	O
H/PC	B-Operating_System
Explorer	O
was	O
only	O
made	O
available	O
on	O
CD	O
as	O
part	O
of	O
the	O
software	O
set	O
of	O
the	O
early	O
Windows	B-Operating_System
CE	I-Operating_System
1.0	I-Operating_System
Handheld	B-Operating_System
PC	I-Operating_System
releases	O
.	O
</s>
<s>
Version	O
1.0	O
,	O
like	O
Windows	B-Operating_System
CE	I-Operating_System
1.0	I-Operating_System
itself	O
was	O
generally	O
considered	O
to	O
be	O
a	O
beta	O
release	O
,	O
and	O
was	O
received	O
poorly	O
by	O
the	O
user	O
community	O
because	O
of	O
inherent	O
instability	O
within	O
the	O
synchronisation	O
program	O
.	O
</s>
<s>
Version	O
1.0	O
only	O
supported	O
Windows	B-Application
95	I-Application
,	O
severely	O
restricting	O
the	O
scope	O
of	O
Windows	B-Operating_System
CE	I-Operating_System
's	O
adoption	O
in	O
enterprise	O
environments	O
running	O
Windows	B-Device
NT	I-Device
4.0	I-Device
.	O
</s>
<s>
No	O
sync	O
client	O
was	O
ever	O
released	O
for	O
Windows	B-Operating_System
CE	I-Operating_System
which	O
ran	O
natively	O
under	O
Windows	B-Device
NT	I-Device
3.51	I-Device
or	O
lower	O
.	O
</s>
<s>
Windows	B-Device
NT	I-Device
4.0	I-Device
support	O
was	O
finally	O
added	O
to	O
the	O
product	O
,	O
along	O
with	O
support	O
for	O
the	O
initial	O
release	O
of	O
Microsoft	B-Application
Outlook	I-Application
in	O
the	O
form	O
of	O
Outlook	O
97	O
.	O
</s>
<s>
Handheld	B-Operating_System
PC	I-Operating_System
Explorer	I-Operating_System
1.1	O
was	O
also	O
released	O
as	O
a	O
freely	O
available	O
web	O
download	O
,	O
along	O
with	O
being	O
bundled	O
onto	O
Handheld	B-Operating_System
PC	I-Operating_System
Companion	O
software	O
CDs	O
in	O
mid	O
to	O
late	O
1997	O
.	O
</s>
