<s>
File	B-Application
Manager	I-Application
is	O
a	O
file	B-Application
manager	I-Application
program	O
bundled	O
with	O
releases	O
of	O
OS/2	B-Application
and	O
Microsoft	B-Application
Windows	I-Application
between	O
1988	O
and	O
1999	O
and	O
available	O
from	O
6	O
April	O
2018	O
as	O
an	O
optional	O
download	O
for	O
all	O
modern	O
releases	O
of	O
Windows	O
,	O
including	O
Windows	B-Operating_System
10	I-Operating_System
.	O
</s>
<s>
It	O
is	O
a	O
single-instance	O
graphical	O
interface	O
,	O
replacing	O
the	O
command-line	O
interface	O
of	O
MS-DOS	B-Application
,	O
to	O
manage	O
files	B-Operating_System
(	O
copy	O
,	O
move	O
,	O
open	O
,	O
delete	O
,	O
search	O
,	O
etc	O
.	O
)	O
</s>
<s>
and	O
MS-DOS	B-Application
Executive	I-Application
file	B-Application
manager	I-Application
from	O
previous	O
Windows	O
versions	O
.	O
</s>
<s>
Although	O
File	B-Application
Manager	I-Application
was	O
included	O
in	O
Windows	B-Application
95	I-Application
and	O
Windows	B-Device
NT	I-Device
4.0	I-Device
and	O
some	O
later	O
versions	O
,	O
Windows	B-Protocol
Explorer	I-Protocol
was	O
introduced	O
and	O
used	O
as	O
the	O
primary	O
file	B-Application
manager	I-Application
,	O
with	O
file	O
management	O
via	O
a	O
two-pane	O
view	O
different	O
from	O
that	O
of	O
File	B-Application
Manager	I-Application
,	O
and	O
a	O
single-pane	O
view	O
obtained	O
by	O
clicking	O
a	O
"	O
My	O
Computer	O
"	O
icon	O
.	O
</s>
<s>
The	O
program	O
's	O
interface	O
showed	O
a	O
list	O
of	O
directories	B-Application
on	O
the	O
left	O
hand	O
panel	O
,	O
and	O
a	O
list	O
of	O
the	O
current	O
directory	B-Application
's	O
contents	O
on	O
the	O
right	O
hand	O
panel	O
.	O
</s>
<s>
File	B-Application
Manager	I-Application
allowed	O
a	O
user	O
to	O
create	O
,	O
rename	O
,	O
move	O
,	O
print	O
,	O
copy	O
,	O
search	O
for	O
,	O
and	O
delete	O
files	B-Operating_System
and	O
directories	B-Application
,	O
as	O
well	O
as	O
to	O
set	O
permissions	O
(	O
attributes	B-Application
)	O
such	O
as	O
archive	O
,	O
read-only	O
,	O
hidden	O
or	O
system	O
,	O
and	O
to	O
associate	O
file	O
types	O
with	O
programs	O
.	O
</s>
<s>
Also	O
available	O
were	O
tools	O
to	O
label	O
and	O
format	B-Application
disks	I-Application
,	O
manage	O
folders	O
for	O
file	O
sharing	O
and	O
to	O
connect	O
and	O
disconnect	O
from	O
a	O
network	B-Application
drive	I-Application
.	O
</s>
<s>
On	O
Windows	B-Device
NT	I-Device
systems	O
it	O
was	O
also	O
possible	O
to	O
set	O
ACLs	O
on	O
files	B-Operating_System
and	O
folders	O
on	O
NTFS	B-Application
partitions	O
through	O
the	O
shell32	O
security	O
configuration	O
dialog	O
(	O
also	O
used	O
by	O
Explorer	O
and	O
other	O
Windows	B-Application
file	I-Application
managers	I-Application
)	O
.	O
</s>
<s>
On	O
NTFS	B-Application
drives	O
,	O
individual	O
files	B-Operating_System
or	O
entire	O
folders	O
could	O
be	O
compressed	O
or	O
expanded	O
.	O
</s>
<s>
The	O
Windows	B-Device
NT	I-Device
version	O
of	O
File	B-Application
Manager	I-Application
allows	O
users	O
to	O
change	O
directory	B-Application
,	O
file	O
,	O
local	O
,	O
network	O
and	O
user	O
permissions	O
.	O
</s>
<s>
From	O
Windows	B-Application
95	I-Application
and	O
Windows	B-Device
NT	I-Device
4.0	I-Device
onward	O
,	O
File	B-Application
Manager	I-Application
was	O
superseded	O
by	O
Windows	B-Protocol
Explorer	I-Protocol
.	O
</s>
<s>
However	O
,	O
the	O
WINFILE.EXE	B-Application
program	O
file	O
was	O
still	O
included	O
with	O
Windows	O
95-98	O
and	O
Windows	B-Device
Me	I-Device
(	O
16-bit	O
executable	O
)	O
,	O
and	O
Windows	B-Device
NT	I-Device
4.0	I-Device
(	O
32-bit	O
executable	O
)	O
.	O
</s>
<s>
The	O
last	O
32-bit	O
WINFILE.EXE	B-Application
build	O
(	O
4.0.1381.318	O
)	O
was	O
distributed	O
as	O
part	O
of	O
Windows	B-Device
NT	I-Device
4.0	I-Device
Service	O
Pack	O
6a	O
(	O
SP6a	O
)	O
in	O
1999	O
,	O
while	O
the	O
last	O
16-bit	O
WINFILE.EXE	B-Application
build	O
(	O
4.90.3000	O
)	O
was	O
distributed	O
as	O
part	O
of	O
Windows	B-Device
Me	I-Device
in	O
2000	O
.	O
</s>
<s>
Chris	O
Guzak	O
was	O
the	O
shell	B-Operating_System
developer	O
on	O
the	O
Windows	B-Application
3.1	I-Application
team	O
responsible	O
for	O
File	B-Application
Manager	I-Application
.	O
</s>
<s>
The	O
source	O
code	O
was	O
released	O
on	O
GitHub	B-Application
in	O
2018	O
with	O
an	O
MIT	B-License
license	I-License
by	O
Microsoft	O
.	O
</s>
<s>
File	B-Application
Manager	I-Application
was	O
introduced	O
in	O
OS/2	B-Application
versions	O
1.1	O
,	O
1.2	O
and	O
1.3	O
,	O
with	O
the	O
first	O
version	O
released	O
in	O
1988	O
.	O
</s>
<s>
It	O
was	O
initially	O
called	O
"	O
File	O
System	O
"	O
in	O
OS/2	B-Application
1.1	O
and	O
the	O
name	O
of	O
the	O
executable	O
was	O
PMFILE.EXE	O
.	O
</s>
<s>
The	O
"	O
PM	O
"	O
stood	O
for	O
Presentation	B-Device
Manager	I-Device
,	O
the	O
GUI	O
of	O
OS/2	B-Application
first	O
introduced	O
with	O
version	O
1.1	O
.	O
</s>
<s>
The	O
original	O
version	O
of	O
File	B-Application
Manager	I-Application
was	O
a	O
16-bit	O
program	O
that	O
supported	O
the	O
8.3	O
file	O
names	O
that	O
were	O
in	O
use	O
at	O
the	O
time	O
.	O
</s>
<s>
It	O
did	O
not	O
support	O
the	O
extended	O
file	O
names	O
that	O
became	O
available	O
in	O
Windows	B-Application
95	I-Application
–	O
including	O
long	O
file	O
names	O
and	O
file	O
names	O
containing	O
spaces	O
.	O
</s>
<s>
More	O
numbers	O
(	O
2	O
,	O
3	O
,	O
and	O
so	O
on	O
)	O
were	O
added	O
after	O
the	O
tilde	O
if	O
more	O
than	O
one	O
file	O
name	O
with	O
the	O
same	O
initial	O
characters	O
existed	O
in	O
the	O
same	O
directory	B-Application
.	O
</s>
<s>
The	O
16-bit	O
version	O
of	O
File	B-Application
Manager	I-Application
was	O
introduced	O
into	O
the	O
Windows	B-Application
operating	I-Application
system	I-Application
starting	O
with	O
Windows	B-Application
3.0	I-Application
in	O
1990	O
.	O
</s>
<s>
The	O
16-bit	O
version	O
distributed	O
with	O
Windows	B-Application
3.1x	I-Application
and	O
Windows	O
for	O
Workgroups	O
3.1x	O
installations	O
had	O
a	O
Y2K	B-Error_Name
issue	I-Error_Name
due	O
to	O
lexicographic	O
correlation	O
between	O
date	O
representation	O
and	O
the	O
ASCII	B-Protocol
character	I-Protocol
set	I-Protocol
;	O
colons	O
and	O
semicolons	O
replaced	O
what	O
should	O
have	O
been	O
'	O
2000	O
 '	O
.	O
</s>
<s>
Microsoft	O
issued	O
corrected	O
binaries	O
for	O
all	O
Windows	B-Application
3.1x	I-Application
environments	O
in	O
1997	O
.	O
</s>
<s>
File	B-Application
Manager	I-Application
was	O
rewritten	O
as	O
a	O
32-bit	O
program	O
for	O
Windows	B-Device
NT	I-Device
.	O
</s>
<s>
This	O
new	O
version	O
correctly	O
handled	O
long	O
file	O
names	O
in	O
addition	O
to	O
NTFS	B-Application
file	I-Application
systems	I-Application
.	O
</s>
<s>
It	O
was	O
included	O
with	O
Windows	B-Device
NT	I-Device
3.1	I-Device
,	O
3.5	B-Device
,	O
3.51	B-Device
,	O
and	O
4.0	B-Device
.	O
</s>
<s>
On	O
April	O
6	O
,	O
2018	O
,	O
Microsoft	O
released	O
binaries	O
and	O
the	O
source	O
code	O
,	O
licensed	B-License
under	O
the	B-License
MIT	I-License
License	I-License
,	O
for	O
an	O
improved	O
version	O
of	O
File	B-Application
Manager	I-Application
running	O
on	O
Windows	B-Operating_System
10	I-Operating_System
.	O
</s>
