Properties

Filling in your name etc.
You can use this information to then search for specific files. This can be very useful when you have to manage a large number of files.
You can associate an enormous range of information with an individual workbook (File > Properties).
It is possible to add useful information to an active workbook such as the author, title or additional comments.
These properties can be extremely useful when you are searching for files.
(Tools > Options)(Save tab, "Prompt for file properties").

General Tab

Type - The type of file in this case a Microsoft PowerPoint Presentation.
Location - The file location where the presentation is saved.
Size - The total file size of the presentation.

Summary Tab

Title - Type the title you want to use when searching for this file. The title can be different from the file name.
Subject - Type the subject of the file. Use this property to group similar files together, so you can search for all files that have the same subject. The other properties can be used to group similar files together, so you can search for files that have specific properties.
Hyperlink base - Type the path or URL that you want to use for all hyperlinks with the same base address that are inserted in the current document. This can be an Internet address, a path to a folder on your hard disk, or a path to a folder on a network.
Save preview picture - Saves a picture of the first page of the file for previewing in the New dialog box. Selecting this option increases the size of your file.

Statistics Tab

Created - The date the presentation was created.
Modified - The date the presentation was last modified.
Accessed - The date the presentation was last opened.
Printed -
Last saved by - The name of the user that last saved the presentation, taken from (Tools > Options)(General tab, "Name").

Contents Tab

Custom Tab

It is possible to add your own custom properties and it is even possible to link these to cells. Do they have to be named ranges ?
These are properties that you can add to your presentations.
You can assign a text, time, or numeric value to custom properties, and you can also assign them the values "yes" or "no."
You can choose from a list of suggested names or define your own.
You can optionally link a custom properties to specific items in your file, such as a selected item in PowerPoint.

Name - Select or create a name for the property.
Type - The type of the property, either Text, Date, Numeric or Yes / No.
Value - The text or value you want to save as the custom property.
Link to content - Whether the custom property is linked to a specific item in the file.
Properties - Lists all the custom properties that have been created in the active presentation.
Add - Adds the custom property to the active presentation.
Delete - Removes the custom property from the active presentation.

Important

If the named range refers to a block of cells, then the top left cell is used.
If a named range that a custom property is referring to gets deleted then the last saved value is used.
The name that appears in the (File > Properties)(Summary tab) is from the (Tools > Options)(General tab, "Name") of the user who created the presentation..