16001 Outlook could not open the dialog box because you are in an item instead of a view or because you are viewing files, not an Outlook folder.
16002 Outlook could not open the dialog box because you are not in Day/Week/Month view.
16003 Outlook could not open the dialog box because you are not in a mail folder, such as the Inbox.
16004 Outlook could not open the dialog box because an item is open on top or you aren't in the appropriate view. For example, to edit your contact cards in place, you need to be in the Contact module, using a view such as Address Cards, with no individual contacts open on top of the view.
16005 Outlook could not open the dialog box because you are not in a view that includes a table, such as the Inbox.
16006 Outlook could not open the dialog box because you are not in a folder that contains calendar items, such as Calendar.
16007 Outlook could not open the dialog box because an appointment, meeting, or event is in front.
16008 Outlook could not open the dialog box because an item is on top or because the view isn't a table or timeline view.
16009 Outlook could not open the dialog box because you are not in a card view, such as Address Cards in Contacts.
16010 Outlook could not open the dialog box because you need to select an item first or because you are viewing files, not an Outlook folder such as Inbox or Calendar.
16011 Outlook could not open the dialog box because you are not viewing files, such as in My Computer.
16012 Outlook could not open the dialog box because no item is selected.
16013 Outlook could not open the dialog box because a view is on top instead of an item, or you are viewing a note. Open an item other than a note and click Show Me again.
16014 You can't insert an item into a note.
16015 Outlook could not open the dialog box because you are not in a timeline view, such as in the Journal displaying By Type.
16016 Outlook could not open the dialog box because you are not in a folder that contains journal items, such as Journal.
16018 Outlook could not open the dialog box because you are not in a folder that contains tasks, such as Tasks.
16020 The Sort command is not available when you are in a Timeline view or Day/Week/Month view, or when an item is on top.
16021 The Font command is available only when you are in an item other than a note, and in an area where you can format text.
16022 The New Call command is not available when you are looking at files instead of an Outlook folder.
16023 Outlook could not open the dialog box because a message is in front.
16024 Outlook could not open the dialog box because you are not in a contacts folder. Click Contacts and then click Show Me again.
16025 Outlook could not open the dialog box because you are not in a table or card view, or the view is not on top.