<s>
Google	B-Application
Sync	I-Application
was	O
a	O
file	B-Application
synchronization	I-Application
service	O
from	O
Google	B-Application
that	O
provided	O
over-the-air	O
synchronization	O
of	O
Gmail	B-Application
,	O
Google	B-Application
Contacts	O
,	O
and	O
Google	B-Application
Calendar	I-Application
with	O
PC	O
and	O
mobile	O
device	O
Mail	O
,	O
Calendar	B-Application
and	O
Address	O
Book	O
applications	O
.	O
</s>
<s>
It	O
used	O
Microsoft®	O
Exchange	O
ActiveSync®	O
to	O
let	O
service	O
users	O
synchronize	O
their	O
Google	B-Application
Apps	O
mail	O
,	O
contacts	O
,	O
and	O
calendars	O
to	O
their	O
mobile	O
devices	O
,	O
wherein	O
the	O
users	O
can	O
also	O
set	O
up	O
or	O
customize	O
the	O
alerts	O
for	O
incoming	O
messages	O
and	O
upcoming	O
meetings	O
.	O
</s>
<s>
Google	B-Application
Sync	I-Application
worked	O
with	O
PC	O
,	O
Mac	O
,	O
Linux	B-Application
,	O
Android	B-Application
,	O
BlackBerry	B-Operating_System
,	O
Symbian	O
S60	O
,	O
iPhone	B-Device
,	O
iPad	B-Device
,	O
Windows	O
Mobile	O
,	O
and	O
other	O
devices	O
.	O
</s>
<s>
Google	B-Application
Sync	I-Application
was	O
announced	O
in	O
February	O
2009	O
and	O
discontinued	O
for	O
non-business	O
users	O
in	O
December	O
2012.google	O
sync	O
is	O
the	O
world	O
number	O
one	O
in	O
2022	O
.	O
</s>
<s>
Google	B-Application
Sync	I-Application
was	O
a	O
bidirectional	B-General_Concept
service	O
.	O
</s>
<s>
Changes	O
made	O
on	O
one	O
device	O
would	O
be	O
backed	O
up	O
to	O
the	O
user	O
's	O
Google	B-Application
Account	O
.	O
</s>
<s>
All	O
other	O
Google	B-Application
data	O
on	O
devices	O
sharing	O
that	O
same	O
Google	B-Application
account	O
would	O
be	O
automatically	O
synchronized	O
as	O
well	O
.	O
</s>
<s>
Google	B-Application
Sync	I-Application
provided	O
seamless	O
over-the-air	O
synchronization	O
for	O
many	O
Android	B-Application
,	O
iOS	B-Operating_System
,	O
BlackBerry	B-Operating_System
,	O
Palm	B-Application
,	O
Pocket	B-Device
PC	I-Device
devices	O
and	O
with	O
Microsoft	B-Application
Outlook	I-Application
.	O
</s>
<s>
Android	B-Application
-	O
choose	O
to	O
back	O
up	O
and	O
sync	O
any	O
combination	O
of	O
Gmail	B-Application
,	O
People	O
,	O
or	O
Calendar	B-Application
.	O
</s>
<s>
iPhone	B-Device
,	O
iPad	B-Device
,	O
iPod	B-Device
Touch	I-Device
,	O
or	O
Windows	O
Mobile	O
-	O
choose	O
to	O
sync	O
any	O
combination	O
of	O
Mail	O
,	O
Contacts	O
,	O
or	O
Calendar	B-Application
.	O
</s>
<s>
BlackBerry	B-Operating_System
-	O
choose	O
to	O
sync	O
Google	B-Application
Contacts	O
and	O
Google	B-Application
Calendar	I-Application
to	O
the	O
built-in	O
Address	O
Book	O
and	O
Calendar	B-Application
applications	O
.	O
</s>
<s>
Most	O
other	O
mobile	O
phones	O
-	O
Wireless	O
synchronization	O
of	O
Google	B-Application
Contacts	O
to	O
the	O
built-in	O
Address	O
Book	O
application	O
.	O
</s>
