User-defined properties in a vault can be edited using the Edit Properties command.
Files
Multiple files can be selected at once from the main pane to have properties edited. For example, you can select an Inventor assembly and all of its children from the Uses tab and then use the Property Editing Wizard to edit all the properties for the entire design. The selected files are copied to a temporary location on the local computer, checked out, the properties are updated, and then the files are checked back in to the vault.
For Autodesk Inventor files, including Inventor .dwg files, and Microsoft Office documents, all user-defined properties are available for editing. If a property is missing a value, you can fill it in and it will be added to the file. If the file does not contain the property as a pre-defined object, then a custom property can be created containing the value.
Folders
Folder properties can be viewed and edited in the vault. Any User Defined Properties assigned to folder categories can be edited in the Edit Properties dialog. Select one or several folders and use the Property Edit command to modified the UDP's assigned to the folders.
Items
View this link for more on editing items - Edit Items.
Change Orders
View this link for more on change order properties - Change Order Administration.