https://bugs.documentfoundation.org/show_bug.cgi?id=170285

            Bug ID: 170285
           Summary: XLS->XLSX: Corrupt file reported by MS Excel when
                    group-shape contains a ControlShape
           Product: LibreOffice
           Version: 7.4.4.2 release
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Keywords: bisected, filter:xlsx, regression
          Severity: normal
          Priority: medium
         Component: Calc
          Assignee: [email protected]
          Reporter: [email protected]
                CC: [email protected]
            Blocks: 136327

Created attachment 204992
  --> https://bugs.documentfoundation.org/attachment.cgi?id=204992&action=edit
forum-mso-en4-115879.xls: example used while developing the fix

Although the file opens without complaint in LO, MS Excel indicated that it was
corrupt.

This started in LO 7.4.4 with
commit  c4d7b9c3ec6e44b96134fdfb036be7f9fcf39f9d        
on Fri Nov 25 14:01:09 2022 +0100
    tdf#70293 XLSX export: fix lost grouping of shapes
    Reviewed-on: https://gerrit.libreoffice.org/c/core/+/143142

The following file were reported as bad
fdo64019-1.xls: attachment 78580 (Rewe-Uebungen.xls)
forum-mso-de-31686.xls
forum-mso-de-32724.xls
forum-mso-en4-126655.xls
forum-mso-en4-126663.xls
forum-mso-en4-152393.xls
forum-mso-en4-158469.xls
forum-mso-en4-158500.xls
forum-mso-en4-162817.xls
forum-mso-en4-163374.xls
forum-mso-en4-209198.xls
forum-mso-en4-209741.xls
forum-mso-en4-21261.xls
forum-mso-en4-22431.xls
forum-mso-en4-225546.xls
forum-mso-en4-24974.xls
forum-mso-en4-31707.xls
forum-mso-en4-32103.xls
forum-mso-en4-32121.xls
forum-mso-en4-33289.xls
forum-mso-en4-388151.xls
forum-mso-en4-397195.xls
forum-mso-en4-397949.xls
forum-mso-en4-71001.xls
ooo116418-1.xls

Steps to reproduce:
1- open Rewe-Uebungen.xls in LO and save is as a .xlsx (Excel 2007 or 2010)
2- try to open the round-tripped file in Microsoft Excel (tested 2010, 2024)


Referenced Bugs:

https://bugs.documentfoundation.org/show_bug.cgi?id=136327
[Bug 136327] [META] XLSX (OOXML) shape related issues
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