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Mac Forum / Applications / PowerPoint / January 2005



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Opening PowerPoint PC presentation on a Mac

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Cynthia Argyle - 18 Jan 2005 19:58 GMT
I am having difficulty opening any PowerPoint presentation that was
created on a PC.  I receive the following error message:  PowerPoint
cannot open the file....The file may be corrupt, in use, or of a type
not recognized by PowerPoint.  The file can be opened and perform fine
if on a PC, so is there some fix to this incompatibility?
Benjamin Amsaleg - 18 Jan 2005 21:31 GMT
> I am having difficulty opening any PowerPoint presentation that was
> created on a PC.  I receive the following error message:  PowerPoint
> cannot open the file....The file may be corrupt, in use, or of a type
> not recognized by PowerPoint.  The file can be opened and perform fine
> if on a PC, so is there some fix to this incompatibility?

Hello Cynthia

Could you be a bit more specific. What version of PPT:win are you using and
what is the Mac version

Currently the ONLY case I can think of is when you try to open a PPT:95 or
older in a PPT:Mac above Office:98
The PPT file format changed in 1997. PPT:Mac does not support the old pre
1997 format this Office:2001.

If this is the case, you have 2 work around:
- use PPT:Win from Office:97 up to open and save back the file making sure
that you use a PPT format like PPT97, XP or 2003. Then you will be able to
open the file on your Office:Mac
- locate a PPT:Mac version from 1998. It can work in classic under MacOS X
and you can have it installed on the same machine that Office:2004 for
example

If this is not your scenario, we will have to look more into this...

BAM
Cynthia Argyle - 19 Jan 2005 03:39 GMT
> > I am having difficulty opening any PowerPoint presentation that was
> > created on a PC.  I receive the following error message:  PowerPoint
[quoted text clipped - 23 lines]
>
> BAM

BAM
Thanks for the input.  I don't know what version of PPT was used on the
PC as it is a file created by my professor on a designated website that
we are supposed to be using.  However, I am using PowerPoint 2004 for
the Mac Version 11.1.  I am guessing that the file is pre-1997, so I
will try the 2 options you suggested and let you know.
Thanks again, for the info.
Cynthia
David M. Marcovitz - 19 Jan 2005 14:34 GMT
Is the web site open to the public? If so, post the address here and some
of us here might be able to take a look at it.
--David

Signature

David M. Marcovitz
Director of Graduate Programs in Educational Technology
Loyola College in Maryland
Author of _Powerful PowerPoint for Educators_
http://www.loyola.edu/education/PowerfulPowerPoint/

> BAM
> Thanks for the input.  I don't know what version of PPT was used on the
[quoted text clipped - 4 lines]
> Thanks again, for the info.
> Cynthia
Cynthia Argyle - 20 Jan 2005 17:40 GMT
Sorry David, it's not open to the public, just students only, but the
suggestions provided by BAM do work.  Thanks for the offer.
Cynthia

> Is the web site open to the public? If so, post the address here and some
> of us here might be able to take a look at it.
[quoted text clipped - 15 lines]
> > Thanks again, for the info.
> > Cynthia
Benjamin Amsaleg - 20 Jan 2005 19:48 GMT
> Sorry David, it's not open to the public, just students only, but the
> suggestions provided by BAM do work.  Thanks for the offer.
[quoted text clipped - 24 lines]
>>> Thanks again, for the info.
>>> Cynthia

Great to know that it worked...

BAM
Cynthia Argyle - 21 Jan 2005 20:07 GMT
Thanks so much for the suggestions.
Cynthia

> > Sorry David, it's not open to the public, just students only, but the
> > suggestions provided by BAM do work.  Thanks for the offer.
[quoted text clipped - 28 lines]
>
> BAM
markrjl - 25 Jan 2005 14:44 GMT
Microsofr seem to have introduced a degree of incompatibility in their
latest service packs/updates. I am having problems opening ppt files
for the first time in 5 years. I have had to resort to using ppt viewer
on a pc emulator until someone posts a fix. If you have access to an
emulator (virtual pc) you can download the viewer for free from
microsoft.

> Thanks so much for the suggestions.
> Cynthia
[quoted text clipped - 40 lines]
> >
> > BAM
Cynthia Argyle - 25 Jan 2005 15:50 GMT
thanks for the info.

> Microsofr seem to have introduced a degree of incompatibility in their
> latest service packs/updates. I am having problems opening ppt files
[quoted text clipped - 49 lines]
> > >
> > > BAM
Steve Rindsberg - 18 Jan 2005 22:17 GMT
> I am having difficulty opening any PowerPoint presentation that was
> created on a PC.  I receive the following error message:  PowerPoint
> cannot open the file....The file may be corrupt, in use, or of a type
> not recognized by PowerPoint.  The file can be opened and perform fine
> if on a PC, so is there some fix to this incompatibility?

When opening on the PC, does it ask for a password?  If so, that's the problem.
To pre-2002 Windows PPT and all Mac PPT versions, password-protected files
appear corrupted and can't be opened.

Somebody who knows the password would have to open it in PPT 2002/2003 Windows
and resave w/o password protection.

================================================
Steve Rindsberg, PPT MVP
PPT FAQ:  www.pptfaq.com
PPTools:  www.pptools.com
================================================
Cynthia Argyle - 19 Jan 2005 03:41 GMT
Hello Steve,
No, it does not ask for a password, so I am hoping that the options BAM
offered will work.
Thanks for your input though.
Cynthia

> > I am having difficulty opening any PowerPoint presentation that was
> > created on a PC.  I receive the following error message:  PowerPoint
[quoted text clipped - 14 lines]
> PPTools:  www.pptools.com
> ================================================
 
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