NOTE: This problem only occurs on computers that have Microsoft Office installed.
- In IIS Administrative Console snap-in, right-click the specific Web server where the .pps file is located, and then click Properties.
- Click the HTTP Headers tab.
- Click the File Types button.
- Click New Type.
- In the Extension box, type .pps, and then in the
Content type (MIME) box, type
- Click OK, and then restart IIS.