Microsoft offers Excel apps for Windows, Mac, iPhone, iPad, Android, and on the web to make tweaks from a Chromebook. However, you can change macro security settings only from the desktop apps.

This article refers specifically to the Excel mobile app on iPhone, though most of the comments also apply to the Android Excel mobile app.

Microsoft has launched the latest mobile edition of its Office suite for Android smartphones. The three amigos Word, Excel and PowerPoint are included in the package, which came to Android tablets ...