diff --git a/frontend/src/utils/attachment.ts b/frontend/src/utils/attachment.ts
index 93254491..b68cfd59 100644
--- a/frontend/src/utils/attachment.ts
+++ b/frontend/src/utils/attachment.ts
@@ -6,24 +6,46 @@
  * 2. All derivative works must include clear attribution to the original creator and software, Hexastack and Hexabot, in a prominent location (e.g., in the software's "About" section, documentation, and README file).
  */
 
-
 import { IAttachment } from "@/types/attachment.types";
 import { FileType, TAttachmentForeignKey } from "@/types/message.types";
 
 import { buildURL } from "./URL";
 
 export const MIME_TYPES = {
-  images: ["image/jpeg", "image/png", "image/gif", "image/webp"],
-  videos: ["video/mp4", "video/webm", "video/ogg"],
-  audios: ["audio/mpeg", "audio/ogg", "audio/wav"],
+  images: ["image/jpeg", "image/png", "image/webp", "image/bmp"],
+  videos: [
+    "video/mp4",
+    "video/webm",
+    "video/ogg",
+    "video/quicktime", // common in apple devices
+    "video/x-msvideo", // AVI
+    "video/x-matroska", // MKV
+  ],
+  audios: [
+    "audio/mpeg", // MP3
+    "audio/mp3", // Explicit MP3 type
+    "audio/ogg",
+    "audio/wav",
+    "audio/aac", // common in apple devices
+    "audio/x-wav",
+  ],
   documents: [
     "application/pdf",
-    "application/msword",
+    "application/msword", // older ms Word format
+    "application/vnd.openxmlformats-officedocument.wordprocessingml.document", // newer ms word format
     "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
-    "application/vnd.ms-excel",
-    "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
+    "application/vnd.ms-excel", // older excel format
+    "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", // newer excel format
     "application/vnd.ms-powerpoint",
     "application/vnd.openxmlformats-officedocument.presentationml.presentation",
+    "text/plain",
+    "application/rtf",
+    "application/epub", // do we want to support epub?
+    "application/x-7z-compressed", // do we want to support 7z?
+    "application/zip", // do we want to support zip?
+    "application/x-rar-compressed", // do we want to support winrar?
+    "application/json",
+    "text/csv",
   ],
 };
 
@@ -68,4 +90,4 @@ export function extractFilenameFromUrl(url: string) {
     // If the URL is invalid, return the input as-is
     return url;
   }
-}
\ No newline at end of file
+}