<s>
Microsoft	B-Application
Classroom	I-Application
was	O
an	O
online	O
blended	O
learning	O
platform	O
for	O
schools	O
that	O
aimed	O
to	O
simplify	O
grading	O
assignments	O
and	O
student	O
communication	O
in	O
a	O
paperless	O
way	O
.	O
</s>
<s>
On	O
May	O
18	O
,	O
2017	O
Microsoft	O
announced	O
the	O
retirement	O
of	O
Microsoft	B-Application
Classroom	I-Application
,	O
which	O
was	O
completed	O
on	O
January	O
31	O
,	O
2018	O
.	O
</s>
<s>
Some	O
features	O
of	O
Microsoft	B-Application
Classroom	I-Application
became	O
part	O
of	O
Microsoft	B-Application
Teams	I-Application
in	O
Office	O
365	O
Education	O
.	O
</s>
