| Components - Pivot |
| Components - ProgressIndicator |
| Components - Rating |
| Components - SearchBox |
| Components - Slider |
| Components - SpinButton |
| Components - Spinner |
| Components - Stateless |
| Components - SwatchColorPicker |
| Components - TextField |
| Components - Toggle |
| Components - ToolTip |
| Components - Utilities |
| Compose |
| Composition |
| CompressedFile - Requirement Set |
| Concatenating Strings |
| Conditional Control Flow |
| Conditional Statements |
| Configuration File - babel |
| Configuration File - webpack |
| confirm Function |
| Console Window |
| console.debug |
| console.error |
| console.log |
| console.warn |
| const - ES 2015 |
| Container Components - React |
| Containers - Content |
| Containers - Dialog |
| Containers - Task Pane |
| Content |
| Content Add-ins - Access |
| Content Add-ins - Excel |
| Content Add-ins - PowerPoint |
| Content Add-ins - Word |
| Content Delivery Network (CDN) |
| Content Property Menu |
| Content Releases |
| Context API - React |
| Context Menus |
| Context Object |
| Context Object - context |
| Context Object - ctx |
| context. = ctx. |
| context.document - Office. |
| context.document.body.search |
| context.executeAsync |
| context.load |
| context.officeTheme Property |
| context.set |
| context.sync |
| context.sync().then |
| context.trace |
| context.trackedObjects |
| context.workbook |
| ContextMenu |
| Contextual Outlook Add-ins |
| Control |
| Control - ExtensionPoint |
| Control Types - Commands |
| Corporate Catalog |
| Create React App |
| createElement |
| create-react-app |
| create-react-class |
| Cross Platform Editor |
| CSS - 2.1 |
| CSS - 3 |
| CSS - 4 |
| CSS - React |
| CSS - Styling |
| CSS (Cascading Style Sheets) |
| CSS Modules |
| CSS Preprocessor |
| CSS Selectors |
| ctx - Context Object |
| ctx. = context. |
| Cumulative Promise |
| Custom Bundles |
| Custom Functions |
| Custom Functions - Array Formulas |
| Custom Functions - Asynchronous |
| Custom Functions - Batch Option |
| Custom Functions - Cancel |
| Custom Functions - Saving State |
| Custom Functions - setTimeout |
| Custom Functions - Stream Option |
| Custom Functions - Streamed |
| Custom Functions - Websocket |
| Custom Functions - XLL Compatible |
| Custom Pane |
| Customize Built-in Tabs |
| CustomPane |
| CustomTab |
| customXmlNode |
| customXmlNode.getNodesAsync |
| customXmlNode.getNodeValueAsync |
| customXmlNode.getXmlAsync |
| customXmlNode.setNodeValueAsync |
| customXmlNode.setXmlAsync |
| CustomXmlNodeType - Enumeration |
| customXmlPart |
| customXmlPart.addHandlerAsync |
| customXmlPart.deleteAsync |
| customXmlPart.getNodesAsync |
| customXmlPart.getXmlAsync |
| customXmlPart.removeHandlerAsync |
| customXmlParts - document. |
| CustomXmlParts - Requirement Set |
| customXmlParts.addAsync |
| customXmlParts.getByIdAsync |
| customXmlParts.getByNamespaceAsync |
| customXmlPrefixMapping.addNamespaceAsync |
| customXmlPrefixMapping.getNamespaceAsync |
| customXmlPrefixMapping.getPrefixAsync |
| CustomXmlPrefixMappings |