MXD files are based on a default ArcMap template, Normal.mxt. Follow the steps below to refresh the map template. If the above steps fail and the toolbar does not display, there may be an issue with the map template.
Select all the layers in the corrupt map document's table of contents.Open the existing map document (with the missing toolbar) side-by-side with a new blank map document.To start working on a new map document without missing toolbars:
If the toolbar is available in the new blank map document, the existing map document may be corrupt. If the toolbar does not display after toggling it on or off, start a new blank map document to see if it displays on the new map.Begin by checking the standard toolbar, then review the remainder of the display.