diff --git a/.dns_files b/.dns_files
index 813c2285..11faaf99 100644
--- a/.dns_files
+++ b/.dns_files
@@ -37,6 +37,8 @@ data/microsoft-teams
 data/microsoft-outlook
 # Fix issues with Microsoft Login.
 data/microsoft-login
+# Fix issues with Microsoft Office 365.
+data/microsoft-office365
 ##########################
 
 
diff --git a/data/microsoft-office365 b/data/microsoft-office365
new file mode 100644
index 00000000..e5473d65
--- /dev/null
+++ b/data/microsoft-office365
@@ -0,0 +1 @@
+office365.com