Unexpected behavior of a specific PowerPoint presentation usually indicates corruption in the file. To deal with such problems, a PowerPoint user requires either to restore from the backup or to apply some PPT Repair measures.

Let’s exemplify such problems with the following illustration. A user uses PowerPoint 2003 to create the presentation files. But when it tries to open one particular presentation, the file doesn’t open. Additionally, an error pops up that reads as below:

“This is not a PowerPoint Presentation.”

Consequently, user cannot access the data that is stored in its presentation.

Cause:

If the above behavior is limited to one and not all of the presentations, the particular presentation is corrupted. drrt-bourgogne.