can't be converted for presentation because Powerpoint is not installed. Please install Powerpoint and try again.

Environment:

Skype for Business Server: Office 365

Client: Skype for Business 2015

Office: Office 2010

Issue:

When uploading a powerpoint presentation to a Skype for Business Meeting or peer to peer session you receive the error:

<Powerpoint Filename> can’t be converted for presentation because Powerpoint is not installed. Please install Powerpoint and try again.

Resolution:

**Disclaimer** you are about to be modifying the registry please ensure you back it up before continuing or see your support staff before following the instructions below.

Ok now to the goodness 🙂

Follow these steps below to fix the issue:

Open Regedit.exe as Administrator
Browse to the following Key: HKEY_CLASSES_ROOT\TypeLib\{91493440-5A91-11CF-8700-00AA0060263B}\2.a\0\win32
Right Click win32 – Select Export
Save the file to a location of your choice as .reg
Minimize registry editor
Open Windows Explorer and browse to the .reg file you saved
Right-click the File and select edit, notepad will now open
Change the 2.a to 2.b
Save the file
Right click the .reg file – Select Merge
If UAC is turned on Select Yes to run
Click Yes for the warning about adding registry values
Click to the Merge has completed successfully
Maximize the Registry Editor
Browse to : HKEY_CLASSES_ROOT\TypeLib\{91493440-5A91-11CF-8700-00AA0060263B}\2.b\0\win32
You will now see the entry for your PPT location
Open Skype for business and start a new meeting and present a powerpoint file