In Salesforce Classic, the drop-down menu that lists available Apps (located next to the Help & Training link in the top navigation) is no longer visible for some users.
This issue occurs when a user's profile has only one App assigned to it. When a profile has a single app, Salesforce Classic automatically removes the drop-down App menu from the navigation bar, since there is nothing to select. This behavior applies only to Salesforce Classic — in Lightning Experience, the App Launcher icon remains visible even when only one app is assigned to a profile.
To restore the App menu drop-down in Salesforce Classic, assign more than one App to the affected user's profile. You can do this in two ways:
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