What the heck have I done to my Excel sheet (and how to undo it)?

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Music by Eric Matyas
https://www.soundimage.org
Track title: Puzzle Game 2 Looping

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Chapters
00:00 Question
01:14 Accepted answer (Score 49)
01:51 Answer 2 (Score 4)
02:39 Answer 3 (Score 1)
02:58 Answer 4 (Score 0)
03:19 Thank you

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Full question
https://superuser.com/questions/135326/w...

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Tags
#windows #microsoftexcel #microsoftoffice #microsoftexcel2007

#avk47