Are you encountering errors while opening, or saving a PowerPoint presentation? Are you unable to access data from a Microsoft PowerPoint 2000 presentation? This behavior may occur due to either corruption or I/O errors in the presentation. In both the cases, your valuable data become inaccessible and you face data loss scenarios. To get your PPT (PowerPoint Presentation) file repaired, PowerPoint Recovery becomes need of hour.

When you Open, Save, or Save As a PowerPoint presentation, you may come across the below symptoms:

* If current folder contains subfolders, the subfolders, except last one, can be listed as squares or question marks.
* When you try to open the subfolders, which appear as squares or question marks, or you attempt to open any PowerPoint presentation, you may encounter any of the below errors:

* An unexpected error occurred – I/O Error 0
* An unexpected error occurred – I/O Error 6
* PowerPoint found an error it cannot correct.
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When you click the OK button of error dialog box, you may encounter further warning message that states: