diff --git a/hutool-core/src/main/java/cn/hutool/core/io/FileTypeUtil.java b/hutool-core/src/main/java/cn/hutool/core/io/FileTypeUtil.java
index 2354fd339..05f0eb1e2 100644
--- a/hutool-core/src/main/java/cn/hutool/core/io/FileTypeUtil.java
+++ b/hutool-core/src/main/java/cn/hutool/core/io/FileTypeUtil.java
@@ -190,6 +190,9 @@ public class FileTypeUtil {
 			} else if ("docx".equalsIgnoreCase(extName)) {
 				// issue#I47JGH
 				typeName = "docx";
+			} else if ("pptx".equalsIgnoreCase(extName)) {
+				// issue#I5A0GO
+				typeName = "pptx";
 			}
 		}
 		return typeName;