<s>
The	O
AppleLink	B-General_Concept
Package	I-General_Concept
Compression	O
Format	O
,	O
or	O
AppleLink	B-General_Concept
Package	I-General_Concept
for	O
short	O
,	O
is	O
an	O
obsolete	O
file	O
format	O
used	O
on	O
Apple	O
Inc.	O
'	O
s	O
defunct	O
AppleLink	O
online	O
service	O
as	O
a	O
file	B-Protocol
transfer	I-Protocol
and	O
file	B-General_Concept
compression	I-General_Concept
format	O
.	O
</s>
<s>
It	O
was	O
not	O
particularly	O
efficient	O
and	O
was	O
easily	O
outperformed	O
by	O
contemporary	O
systems	O
like	O
StuffIt	B-Application
and	O
Compact	B-Operating_System
Pro	I-Operating_System
,	O
and	O
remained	O
rare	O
outside	O
AppleLink	O
.	O
</s>
