problems with charts

I have been working on a very large and complex presentation and there is
something that is driving me crazy. I make a variety of bar graphs and after
a while for some reason these change to what it looks like a different
format. In particular rather than being editable in the usual way when you
right click on them there is an "open" option and when you do that you get a
box that looks like excel with two tabs (1) a spreadsheet; (2) the chart. If
you edit anything when you get out there is now a box all around the chart
that just will not go away in any way. Also the chart starts looking a bit
differenmt as if they were an important image. WHat am i doing wrong? I have
NOt saved the presentation in any other format outside of pptx!

I'd reboot, then run Diagnostics (Office Button | PPT Options | Resources).

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"Caisma" wrote in message
...
I have been working on a very large and complex presentation and there is
something that is driving me crazy. I make a variety of bar graphs and
after
a while for some reason these change to what it looks like a different
format. In particular rather than being editable in the usual way when you
right click on them there is an "open" option and when you do that you get
a
box that looks like excel with two tabs (1) a spreadsheet; (2) the chart.
If
you edit anything when you get out there is now a box all around the chart
that just will not go away in any way. Also the chart starts looking a bit
differenmt as if they were an important image. WHat am i doing wrong? I
have
NOt saved the presentation in any other format outside of pptx!