All action bar icons appearing on Popup form in Access apps

Issue:

When using a custom theme in the SharePoint site that your Access app is located, you may encounter an issue where all action bar icons display within your popup form.

Work Around:

  • Navigate to the SharePoint site that contains your Access app (from within¬†the Access app, click Back to Site).
  • Select the Settings icon and choose Change the look
  • Select the Office theme, click Try it Out
  • Click Yes, keep it¬†
  • As desired, Go back to Change the look and reselect your custom theme

Status:

The developers have reported that this issue should now be resolved for all tenants.