Powerpoint unstable after changing size

Jo Hoornaert 1 Reputation point
2021-06-30T14:21:36.023+00:00

In a template I made it isn't possible to save the presentation after the size of a waterfall chart has changed.
This issue only appears in presentations based on this template and only with the waterfall chart type, on any pc.
The first error message is "An error occurred while PowerPoint was saving the file". After clicking ok, a new error message is displayed: "We're sorry, something went wrong that might make PowerPoint unstable. Please save your presentations and restart Powerpoint."

Can anyone tell what triggers this issue?

Thanks!

PowerPoint Management
PowerPoint Management
PowerPoint: A family of Microsoft presentation graphics products that offer tools for creating presentations and adding graphic effects like multimedia objects and special effects with text.Management: The act or process of organizing, handling, directing or controlling something.
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  1. Emily Hua-MSFT 27,546 Reputation points
    2021-07-01T07:02:23.55+00:00

    @JoHoornaert-9157

    On my test environment, I could not reproduce your issue, and I have some following questions.

    1. Where is this template file stored?
      Such as on a shared folder or on local disk.
      Do you have the chance to know which version of PowerPoint created this template？
    2. What's the format these presentations saved? Such as .pptx.
      Please change the format to save these fies as other formats.
      Besides, please check whether you are able to use "Save As" feature.
      If these files are saved on a shared folder, it's recommended to go to File > Options > Trust Center, click Trust Center Settings, in Trusted Locations, add the location of
      network shared drive to the Trusted Locations.
    3. How did you create the waterfall chart?
      If it was inserted in PowerPoint directly, I suggest you create a new template, and copy the chart from Excel or Word for a test.
    4. Did you adjust size via dragging the chart box using mouse?
      You may also go to Format Chart Area, enter the size you need.
      110845-capture1.png

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