diff --git a/cloud/microsoft/office365/custom/graphapi.pm b/cloud/microsoft/office365/custom/graphapi.pm
index ccb86baab..d12ac9666 100644
--- a/cloud/microsoft/office365/custom/graphapi.pm
+++ b/cloud/microsoft/office365/custom/graphapi.pm
@@ -195,6 +195,8 @@ sub request_api_json {
 
     $self->settings();
 
+    $self->{output}->output_add(long_msg => "URL: '" . $options{full_url} . "'", debug => 1);
+
     my $content = $self->{http}->request(%options);
     
     my $decoded;
@@ -224,6 +226,8 @@ sub request_api_csv {
 
     $self->settings();
 
+    $self->{output}->output_add(long_msg => "URL: '" . $options{full_url} . "'", debug => 1);
+
     my $content = $self->{http}->request(%options);
     my $response = $self->{http}->get_response();
     
@@ -358,6 +362,23 @@ sub office_get_exchange_mailbox_usage {
     return $response;
 }
 
+sub office_get_teams_activity_set_url {
+    my ($self, %options) = @_;
+
+    my $url = $self->{graph_endpoint} . "/v1.0/reports/getTeamsUserActivityUserDetail(period='D7')";
+
+    return $url;
+}
+
+sub office_get_teams_activity {
+    my ($self, %options) = @_;
+
+    my $full_url = $self->office_get_teams_activity_set_url(%options);
+    my $response = $self->request_api_csv(method => 'GET', full_url => $full_url, hostname => '');
+    
+    return $response;
+}
+
 1;
 
 __END__
diff --git a/cloud/microsoft/office365/teams/mode/usersactivity.pm b/cloud/microsoft/office365/teams/mode/usersactivity.pm
new file mode 100644
index 000000000..5e3b9a7f2
--- /dev/null
+++ b/cloud/microsoft/office365/teams/mode/usersactivity.pm
@@ -0,0 +1,231 @@
+#
+# Copyright 2019 Centreon (http://www.centreon.com/)
+#
+# Centreon is a full-fledged industry-strength solution that meets
+# the needs in IT infrastructure and application monitoring for
+# service performance.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+package cloud::microsoft::office365::teams::mode::usersactivity;
+
+use base qw(centreon::plugins::templates::counter);
+
+use strict;
+use warnings;
+
+sub prefix_global_output {
+    my ($self, %options) = @_;
+    
+    return "Total ";
+}
+
+sub prefix_user_output {
+    my ($self, %options) = @_;
+    
+    return "User '" . $options{instance_value}->{name} . "' ";
+}
+
+sub set_counters {
+    my ($self, %options) = @_;
+
+    $self->{maps_counters_type} = [
+        { name => 'global', type => 0, cb_prefix_output => 'prefix_global_output' },
+        { name => 'users', type => 1, cb_prefix_output => 'prefix_user_output', message_multiple => 'All users activity are ok' },
+    ];
+    
+    $self->{maps_counters}->{global} = [
+        { label => 'total-team-chat', set => {
+                key_values => [ { name => 'team_chat' } ],
+                output_template => 'Team Chat Message Count: %d',
+                perfdatas => [
+                    { label => 'total_team_chat', value => 'team_chat_absolute', template => '%d',
+                      min => 0 },
+                ],
+            }
+        },
+        { label => 'total-private-chat', set => {
+                key_values => [ { name => 'private_chat' } ],
+                output_template => 'Private Chat Message Count: %d',
+                perfdatas => [
+                    { label => 'total_private_chat', value => 'private_chat_absolute', template => '%d',
+                      min => 0 },
+                ],
+            }
+        },
+        { label => 'total-call', set => {
+                key_values => [ { name => 'call' } ],
+                output_template => 'Call Count: %d',
+                perfdatas => [
+                    { label => 'total_call', value => 'call_absolute', template => '%d',
+                      min => 0 },
+                ],
+            }
+        },
+        { label => 'total-meeting', set => {
+                key_values => [ { name => 'meeting' } ],
+                output_template => 'Meeting Count: %d',
+                perfdatas => [
+                    { label => 'total_meeting', value => 'meeting_absolute', template => '%d',
+                      min => 0 },
+                ],
+            }
+        },
+    ];
+    $self->{maps_counters}->{users} = [
+        { label => 'team-chat', set => {
+                key_values => [ { name => 'team_chat' }, { name => 'name' } ],
+                output_template => 'Team Chat Message Count: %d',
+                perfdatas => [
+                    { label => 'team_chat', value => 'team_chat_absolute', template => '%d',
+                      min => 0, label_extra_instance => 1, instance_use => 'name_absolute' },
+                ],
+            }
+        },
+        { label => 'private-chat', set => {
+                key_values => [ { name => 'private_chat' }, { name => 'name' } ],
+                output_template => 'Private Chat Message Count: %d',
+                perfdatas => [
+                    { label => 'private_chat', value => 'private_chat_absolute', template => '%d',
+                      min => 0, label_extra_instance => 1, instance_use => 'name_absolute' },
+                ],
+            }
+        },
+        { label => 'call', set => {
+                key_values => [ { name => 'call' }, { name => 'name' } ],
+                output_template => 'Call Count: %d',
+                perfdatas => [
+                    { label => 'call', value => 'call_absolute', template => '%d',
+                      min => 0, label_extra_instance => 1, instance_use => 'name_absolute' },
+                ],
+            }
+        },
+        { label => 'meeting', set => {
+                key_values => [ { name => 'meeting' }, { name => 'name' } ],
+                output_template => 'Meeting Count: %d',
+                perfdatas => [
+                    { label => 'meeting', value => 'meeting_absolute', template => '%d',
+                      min => 0, label_extra_instance => 1, instance_use => 'name_absolute' },
+                ],
+            }
+        },
+        { label => 'last-activity', threshold => 0, set => {
+                key_values => [ { name => 'last_activity_date' }, { name => 'name' } ],
+                output_template => 'Last Activity: %s',
+            }
+        },
+    ];
+}
+
+sub new {
+    my ($class, %options) = @_;
+    my $self = $class->SUPER::new(package => __PACKAGE__, %options);
+    bless $self, $class;
+    
+    $self->{version} = '1.0';
+    $options{options}->add_options(arguments =>
+                                {
+                                    "filter-counters:s" => { name => 'filter_counters' },
+                                    "filter-user:s"     => { name => 'filter_user' },
+                                    "active-only"       => { name => 'active_only' },
+                                });
+    
+    return $self;
+}
+
+sub check_options {
+    my ($self, %options) = @_;
+    $self->SUPER::check_options(%options);
+}
+
+sub manage_selection {
+    my ($self, %options) = @_;
+    
+    $self->{users} = {};
+
+    my $results = $options{custom}->office_get_teams_activity();
+
+    $self->{global} = { team_chat => 0, private_chat => 0, call => 0, meeting => 0 };
+
+    foreach my $user (@{$results}) {
+        if (defined($self->{option_results}->{filter_user}) && $self->{option_results}->{filter_user} ne '' &&
+            $user->{'User Principal Name'} !~ /$self->{option_results}->{filter_user}/) {
+            $self->{output}->output_add(long_msg => "skipping '" . $user->{'User Principal Name'} . "': no matching filter name.", debug => 1);
+            next;
+        }
+        if ($self->{option_results}->{active_only} && defined($user->{'Last Activity Date'}) && $user->{'Last Activity Date'} eq '') {
+            $self->{output}->output_add(long_msg => "skipping '" . $user->{'User Principal Name'} . "': no activity.", debug => 1);
+            next;
+        }
+
+        $self->{users}->{$user->{'User Principal Name'}}->{name} = $user->{'User Principal Name'};
+        $self->{users}->{$user->{'User Principal Name'}}->{team_chat} = $user->{'Team Chat Message Count'};
+        $self->{users}->{$user->{'User Principal Name'}}->{private_chat} = $user->{'Private Chat Message Count'};
+        $self->{users}->{$user->{'User Principal Name'}}->{call} = $user->{'Call Count'};
+        $self->{users}->{$user->{'User Principal Name'}}->{meeting} = $user->{'Meeting Count'};
+        $self->{users}->{$user->{'User Principal Name'}}->{last_activity_date} = $user->{'Last Activity Date'};
+
+        $self->{global}->{team_chat} += $user->{'Team Chat Message Count'};
+        $self->{global}->{private_chat} += $user->{'Private Chat Message Count'};
+        $self->{global}->{call} += $user->{'Call Count'};
+        $self->{global}->{meeting} += $user->{'Meeting Count'};
+    }
+    
+    if (scalar(keys %{$self->{users}}) <= 0) {
+        $self->{output}->add_option_msg(short_msg => "No entry found.");
+        $self->{output}->option_exit();
+    }
+}
+
+1;
+
+__END__
+
+=head1 MODE
+
+Check users activity (reporting period over the last 7 days).
+
+(See link for details about metrics :
+https://docs.microsoft.com/en-us/office365/admin/activity-reports/microsoft-teams-user-activity?view=o365-worldwide)
+
+=over 8
+
+=item B<--filter-user>
+
+Filter users.
+
+=item B<--warning-*>
+
+Threshold warning.
+Can be: 'total-team-chat', 'total-private-chat', 'total-call',
+'total-meeting', 'team-chat', 'private-chat', 'call', 'meeting'.
+
+=item B<--critical-*>
+
+Threshold critical.
+Can be: 'total-team-chat', 'total-private-chat', 'total-call',
+'total-meeting', 'team-chat', 'private-chat', 'call', 'meeting'.
+
+=item B<--active-only>
+
+Filter only active entries ('Last Activity' set).
+
+=item B<--filter-counters>
+
+Only display some counters (regexp can be used).
+Example to hide per user counters: --filter-counters='total'
+
+=back
+
+=cut
diff --git a/cloud/microsoft/office365/teams/plugin.pm b/cloud/microsoft/office365/teams/plugin.pm
new file mode 100644
index 000000000..87981d7a8
--- /dev/null
+++ b/cloud/microsoft/office365/teams/plugin.pm
@@ -0,0 +1,49 @@
+#
+# Copyright 2019 Centreon (http://www.centreon.com/)
+#
+# Centreon is a full-fledged industry-strength solution that meets
+# the needs in IT infrastructure and application monitoring for
+# service performance.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+package cloud::microsoft::office365::teams::plugin;
+
+use strict;
+use warnings;
+use base qw(centreon::plugins::script_custom);
+
+sub new {
+    my ( $class, %options ) = @_;
+    my $self = $class->SUPER::new( package => __PACKAGE__, %options );
+    bless $self, $class;
+
+    $self->{version} = '0.1';
+    %{ $self->{modes} } = (
+        'users-activity'                => 'cloud::microsoft::office365::teams::mode::usersactivity',
+    );
+
+    $self->{custom_modes}{graphapi} = 'cloud::microsoft::office365::custom::graphapi';
+    return $self;
+}
+
+1;
+
+__END__
+
+=head1 PLUGIN DESCRIPTION
+
+Check Microsoft Office 365 Teams.
+
+=cut