[Libreoffice-bugs] [Bug 131193] New: Impress File saved as .ppt (Powerpoint 97-2003) in 6.4 doesn't open in MS Powerpoint Viewer 2010. FILESAVE FILTER

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=131193

            Bug ID: 131193
           Summary: Impress File saved as .ppt (Powerpoint 97-2003) in 6.4
                    doesn't open in MS Powerpoint Viewer 2010. FILESAVE
                    FILTER
           Product: LibreOffice
           Version: 6.4.1.2 release
          Hardware: All
                OS: Windows (All)
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: Impress
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: jeremygharrison at yahoo.co.uk

Description:
After creating an Impress file presentation in LO 6.4.1.2 and saving it as a
.ppt file, Powerpoint 97-2003 format, on attempting to open it with MS Office
Powerpoint Viewer 2010 (14.0.7214.5000), it doesn't: I get message 'Office has
detected a problem with file. To help protect your computer this file cannot be
opened'.
My operating system: Windows 10 1909.
Note: no problem encountered after saving (same file) as .pptx (Powerpoint
2007-365 format); or opening and resaving it with LO 6.3.4.2

Steps to Reproduce:
1. Create/update and then minimise Impress preentation. Save as ~.odp file.
2. Save as Powerpoint 97-2003 (.ppt) file.
3. Open ~.ppt file with Powerpoint Viewer 2010

Actual Results:
File did not open in Powerpoint Viewer, got error message 'Office has detected
a problem...'

Alternatively, have had a 'This filetype is unsupported' on attempting to open
with PPT Viewer other, similar files saved as ~.ppt in LO 6.4.1 (were
previously ~.odp) 

Expected Results:
File should open and be viwable in Powerpoint Viewer.


Reproducible: Always


User Profile Reset: Yes



Additional Info:
LO Version: 6.4.1.2 (x64)
Build ID: 4d224e95b98b138af42a64d84056446d09082932
CPU threads: 4; OS: Windows 10.0 Build 18363; UI render: default; VCL: win; 
Locale: en-GB (en_GB); UI-Language: en-GB
Calc: threaded

OS Name Microsoft Windows 10 Pro
Version 10.0.18363 Build 18363

Microsoft Powerpoint Viewer 14.0.7214.5000 MSO (14.0.7237.5000)

No problem when file saved in Powerpoint 2007-365 (.pptx) format.
No problem when file saved with LO 6.3.4.2 (as ~.ppt)

I have gone from LO 6.3.4 to 6.4.1.2 (did not use 6.4.0)

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