Sorry to hear that, @bobspumping.
Could you please provide me with some additional info on this so as to have a better understanding of your concern?
Howe were you previewing your Excel files before? Are you able to edit them online or locally, and if so, do the files continue to preview as you describe in your post? Are you also getting any errors? Have you tried replicating this in any other connected device (if any)?
Any screenshots (omitting personal info) illustrating the behavior you’re experiencing would be greatly appreciated. Thanks in advance!
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