diff --git a/src/components/structures/UserMenuButton.tsx b/src/components/structures/UserMenuButton.tsx
index a8a6535805..41b2c3ab60 100644
--- a/src/components/structures/UserMenuButton.tsx
+++ b/src/components/structures/UserMenuButton.tsx
@@ -31,7 +31,7 @@ import LogoutDialog from "../views/dialogs/LogoutDialog";
 import SettingsStore, {SettingLevel} from "../../settings/SettingsStore";
 import {getCustomTheme} from "../../theme";
 import {getHostingLink} from "../../utils/HostingLink";
-import AccessibleButton from "../views/elements/AccessibleButton";
+import AccessibleButton, {ButtonEvent} from "../views/elements/AccessibleButton";
 
 interface IProps {
 }
@@ -114,7 +114,7 @@ export default class UserMenuButton extends React.Component<IProps, IState> {
         SettingsStore.setValue("theme", null, SettingLevel.ACCOUNT, newTheme);
     };
 
-    private onSettingsOpen = (ev: React.MouseEvent, tabId: string) => {
+    private onSettingsOpen = (ev: ButtonEvent, tabId: string) => {
         ev.preventDefault();
         ev.stopPropagation();
 
@@ -123,7 +123,7 @@ export default class UserMenuButton extends React.Component<IProps, IState> {
         this.setState({menuDisplayed: false}); // also close the menu
     };
 
-    private onShowArchived = (ev: React.MouseEvent) => {
+    private onShowArchived = (ev: ButtonEvent) => {
         ev.preventDefault();
         ev.stopPropagation();
 
@@ -131,7 +131,7 @@ export default class UserMenuButton extends React.Component<IProps, IState> {
         console.log("TODO: Show archived rooms");
     };
 
-    private onProvideFeedback = (ev: React.MouseEvent) => {
+    private onProvideFeedback = (ev: ButtonEvent) => {
         ev.preventDefault();
         ev.stopPropagation();
 
@@ -139,7 +139,7 @@ export default class UserMenuButton extends React.Component<IProps, IState> {
         this.setState({menuDisplayed: false}); // also close the menu
     };
 
-    private onSignOutClick = (ev: React.MouseEvent) => {
+    private onSignOutClick = (ev: ButtonEvent) => {
         ev.preventDefault();
         ev.stopPropagation();
 
diff --git a/src/components/views/elements/AccessibleButton.tsx b/src/components/views/elements/AccessibleButton.tsx
index 3a542387c5..18dd43ad02 100644
--- a/src/components/views/elements/AccessibleButton.tsx
+++ b/src/components/views/elements/AccessibleButton.tsx
@@ -19,6 +19,8 @@ import React from 'react';
 import {Key} from '../../../Keyboard';
 import classnames from 'classnames';
 
+export type ButtonEvent = React.MouseEvent<Element> | React.KeyboardEvent<Element>
+
 /**
  * children: React's magic prop. Represents all children given to the element.
  * element:  (optional) The base element type. "div" by default.
@@ -37,7 +39,7 @@ interface IProps extends React.InputHTMLAttributes<Element> {
     tabIndex?: number;
     disabled?: boolean;
     className?: string;
-    onClick?(e?: React.MouseEvent<Element> | React.KeyboardEvent<Element>): void;
+    onClick?(e?: ButtonEvent): void;
 };
 
 interface IAccessibleButtonProps extends React.InputHTMLAttributes<Element> {
diff --git a/src/components/views/rooms/RoomTile2.tsx b/src/components/views/rooms/RoomTile2.tsx
index 7778b5be4b..e8056349e2 100644
--- a/src/components/views/rooms/RoomTile2.tsx
+++ b/src/components/views/rooms/RoomTile2.tsx
@@ -21,7 +21,7 @@ import React, { createRef } from "react";
 import { Room } from "matrix-js-sdk/src/models/room";
 import classNames from "classnames";
 import { RovingTabIndexWrapper } from "../../../accessibility/RovingTabIndex";
-import AccessibleButton from "../../views/elements/AccessibleButton";
+import AccessibleButton, {ButtonEvent} from "../../views/elements/AccessibleButton";
 import RoomAvatar from "../../views/avatars/RoomAvatar";
 import dis from '../../../dispatcher/dispatcher';
 import { Key } from "../../../Keyboard";
@@ -123,7 +123,7 @@ export default class RoomTile2 extends React.Component<IProps, IState> {
         this.setState({generalMenuDisplayed: false});
     };
 
-    private onTagRoom = (ev: React.MouseEvent, tagId: TagID) => {
+    private onTagRoom = (ev: ButtonEvent, tagId: TagID) => {
         ev.preventDefault();
         ev.stopPropagation();
 
@@ -134,7 +134,7 @@ export default class RoomTile2 extends React.Component<IProps, IState> {
         }
     };
 
-    private onLeaveRoomClick = (ev: React.MouseEvent) => {
+    private onLeaveRoomClick = (ev: ButtonEvent) => {
         ev.preventDefault();
         ev.stopPropagation();
 
@@ -145,7 +145,7 @@ export default class RoomTile2 extends React.Component<IProps, IState> {
         this.setState({generalMenuDisplayed: false}); // hide the menu
     };
 
-    private onOpenRoomSettings = (ev: React.MouseEvent) => {
+    private onOpenRoomSettings = (ev: ButtonEvent) => {
         ev.preventDefault();
         ev.stopPropagation();
 
diff --git a/src/components/views/rooms/SendMessageComposer.js b/src/components/views/rooms/SendMessageComposer.js
index 25ad192ea4..130135f641 100644
--- a/src/components/views/rooms/SendMessageComposer.js
+++ b/src/components/views/rooms/SendMessageComposer.js
@@ -427,7 +427,9 @@ export default class SendMessageComposer extends React.Component {
 
     _onPaste = (event) => {
         const {clipboardData} = event;
-        if (clipboardData.files.length) {
+        // Prioritize text on the clipboard over files as Office on macOS puts a bitmap
+        // in the clipboard as well as the content being copied.
+        if (clipboardData.files.length && !clipboardData.types.some(t => t === "text/plain")) {
             // This actually not so much for 'files' as such (at time of writing
             // neither chrome nor firefox let you paste a plain file copied
             // from Finder) but more images copied from a different website