Recovery of MS Powerpoint Content from Temp Files

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Microsoft Office has extensive AutoSave and Auto Recovery options that allow you to rescue your work in the event that it is lost due to a power failure, system crash or plain human error. However many people don't know how to use these features or that they even exist.

Even if you don't have these features enabled, you can sometimes recover data from the various temporary files that are created by Office while you are working on the document.

Microsoft have changed the way AutoSave and Auto Recover works in different versions of Office. Therefore you may want to experiment before you rely on this information.

Finding the Temporary Files

When a new file is started a temporary file is created. This can be either in the windows temp directory, in "C:\ Documents and Settings\<username>\Application Data\Microsoft". If the file is stored on a network drive then it will be temporarily created there.

This temporary file will have a few different letters after the tilde (or squiggly line “ ~”) . These are good ones to look for to find some lost info. There are others, but these are the ones most likely to contain data that can be recovered.

Finding and using the temporary and auto save files

PowerPoint Auto save feature is enabled as default and will save every 10 minutes. It will prompt you for a file name the first time the auto save runs.
If you are looking for the temp files for PowerPoint then the naming convention is pptxxx.tmp (where xxxx is a number) and they are saved by default in "C :\ Documents and Settings\<username>\Local Settings\Temp" or on Windows 7/Vista. "C:\Users\<username>\AppData\Local\Temp".

Other Useful Information

If you have been working on a file for hours and the document was created via copying and pasting or at one point had cut the entire page or document to paste some place and then placed something else on the clip board, the data may not have been lost. This is because when any info is copied it is sent to a temp file with the name ~wrlxxxx.tmp. Therefore you could search your system for files of this name and then use the same "Drag and Drop" technique to view the data in Notepad to recover the data.

Another interesting thing to note is that when a change is made to a document that requires a temp file to be created, when you press the save button all the temp files are merged together into one file and the file is renamed to what you called it. The original document that you created is then deleted.

Further Information

Microsoft Knowledgebase

PPT97: How to Recover an Unsaved Presentation from a .tmp File
http://support.microsoft.com/kb/292585

How to troubleshoot damaged presentations in PowerPoint 2003 and in PowerPoint 2002
http://support.microsoft.com/kb/826810 

How to troubleshoot damaged presentations in PowerPoint 2007
http://support.microsoft.com/kb/927477

Automatically save and recover Office 2007 files
http://office.microsoft.com/en-us/help/HP101407291033.aspx


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Last Page Update: 08/03/2012

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