Represents the runtime environment of the add-in and provides access to key objects of the API. The current context exists as a property of Office. It's accessed using Office.context .
Support details
For more information about Office application and server requirements, see Requirements for running Office Add-ins .
Supported applications, by platform
Office on the web | Office on Windows | Office on Mac | Office on iPad | Outlook on mobile devices | |
---|---|---|---|---|---|
Excel | Supported | Supported | Supported | Supported | Not applicable |
Outlook | Supported | Supported | Supported | Supported | Supported |
PowerPoint | Supported | Supported | Supported | Supported | Not applicable |
Project | Not supported | Supported | Supported | Not supported | Not applicable |
Word | Supported | Supported | Supported | Supported | Not applicable |
Provides information and access to the signed-in user.
True, if the current platform allows the add-in to display a UI for selling or upgrading; otherwise returns False.
Gets the locale (language) specified by the user for editing the document or item.
Gets information about the environment in which the add-in is running.
Gets the locale (language) specified by the user for the UI of the Office application.
Gets an object that represents the document the content or task pane add-in is interacting with.
Contains the Office application in which the add-in is running.
Gets the license information for the user's Office installation.
Provides access to the Microsoft Outlook add-in object model.
Provides access to the properties for Office theme colors.
Gets a partition key for local storage. Add-ins should use this partition key as part of the storage key to securely store data. The partition key is undefined in environments without partitioning, such as the browser controls for Windows applications.
Provides the platform on which the add-in is running.
Provides a method for determining what requirement sets are supported on the current Office application and platform.
Gets an object that represents the custom settings or state of a mail add-in saved to a user's mailbox.
The RoamingSettings object lets you store and access data for a mail add-in that is stored in a user's mailbox, so it's available to that add-in when it is running from any client application used to access that mailbox.
Gets the object to check the status of the catalog of sensitivity labels in Outlook and retrieve all available sensitivity labels if the catalog is enabled.
Specifies whether the platform and device allows touch interaction. True if the add-in is running on a touch device, such as an iPad; false otherwise.
Provides objects and methods that you can use to create and manipulate UI components, such as dialog boxes.
Gets the object to retrieve the runtime URLs of an add-in.
This API is provided as a preview for developers and may change based on feedback that we receive. Do not use this API in a production environment.
Provides information and access to the signed-in user.
auth: Auth;
True, if the current platform allows the add-in to display a UI for selling or upgrading; otherwise returns False.
commerceAllowed: boolean;
Applications: Excel, Word
commerceAllowed is only supported in Office on iPad.
The iOS App Store doesn't support apps with add-ins that provide links to additional payment systems. However, Office Add-ins running in Office on the Windows desktop or in the browser do allow such links. If you want the UI of your add-in to provide a link to an external payment system on platforms other than iOS, you can use the commerceAllowed property to control when that link is displayed.
Gets the locale (language) specified by the user for editing the document or item.
contentLanguage: string;
The contentLanguage value reflects the Editing Language setting specified with File > Options > Language in the Office application.
Support details
For more information about Office application and server requirements, see Requirements for running Office Add-ins .
Supported applications, by platform
Office on the web | Office on Windows | Office on Mac | Office on iPad | Outlook on mobile devices | |
---|---|---|---|---|---|
Excel | Supported | Supported | Not supported | Supported | Not applicable |
Outlook | Supported | Supported | Supported | Supported | Supported |
PowerPoint | Supported | Supported | Not supported | Supported | Not applicable |
Project | Not supported | Supported | Not supported | Not supported | Not applicable |
Word | Supported | Supported | Not supported | Supported | Not applicable |
function sayHelloWithContentLanguage() < const myContentLanguage = Office.context.contentLanguage; switch (myContentLanguage) < case 'en-US': write('Hello!'); break; case 'en-NZ': write('G\'day mate!'); break; >> // Function that writes to a div with on the page. function write(message)
Gets information about the environment in which the add-in is running.
diagnostics: ContextInformation;
Important: In Outlook, this property is available from Mailbox requirement set 1.5. For all Mailbox requirement sets, you can use the Office.context.mailbox.diagnostics property to get similar information.
const contextInfo = Office.context.diagnostics; console.log("Office application: " + contextInfo.host); console.log("Office version: " + contextInfo.version); console.log("Platform: " + contextInfo.platform);
Gets the locale (language) specified by the user for the UI of the Office application.
displayLanguage: string;
The returned value is a string in the RFC 1766 Language tag format, such as en-US.
The displayLanguage value reflects the current Display Language setting specified with File > Options > Language in the Office application.
When using in Outlook, the applicable modes are Compose or Read.
Support details
For more information about Office application and server requirements, see Requirements for running Office Add-ins .
Supported applications, by platform
Office on the web | Office on Windows | Office on Mac | Office on iPad | Outlook on mobile devices | |
---|---|---|---|---|---|
Excel | Supported | Supported | Supported | Supported | Not applicable |
Outlook | Supported | Supported | Supported | Supported | Supported |
PowerPoint | Supported | Supported | Supported | Supported | Not applicable |
Project | Not supported | Supported | Supported | Not supported | Not applicable |
Word | Not supported | Supported | Supported | Supported | Not applicable |
function sayHelloWithDisplayLanguage() < const myDisplayLanguage = Office.context.displayLanguage; switch (myDisplayLanguage) < case 'en-US': write('Hello!'); break; case 'en-NZ': write('G\'day mate!'); break; >> // Function that writes to a div with on the page. function write(message)
Gets an object that represents the document the content or task pane add-in is interacting with.
document: Office.Document;
// Extension initialization code. let _document; // The initialize function is required for all add-ins. Office.initialize = function () < // Checks for the DOM to load using the jQuery ready method. $(document).ready(function () < // After the DOM is loaded, code specific to the add-in can run. // Initialize instance variables to access API objects. _document = Office.context.document; >); >
Contains the Office application in which the add-in is running.
host: HostType;
Important: In Outlook, this property is available from Mailbox requirement set 1.5. You can also use the Office.context.diagnostics property to get the application starting with requirement set 1.5. For all Mailbox requirement sets, you can use the Office.context.mailbox.diagnostics property to get similar information.
Gets the license information for the user's Office installation.
license: string;
Provides access to the Microsoft Outlook add-in object model.
mailbox: Office.Mailbox;
Minimum permission level : restricted
Applicable Outlook mode : Compose or Read
Key properties:
// The following line of code access the item object of the JavaScript API for Office. const item = Office.context.mailbox.item;
Provides access to the properties for Office theme colors.
officeTheme: OfficeTheme;
function applyOfficeTheme() < // Identify the current Office theme in use. const currentOfficeTheme = Office.context.officeTheme.themeId; if (currentOfficeTheme === Office.ThemeId.Colorful || currentOfficeTheme === Office.ThemeId.White) < console.log("No changes required."); >// Get the colors of the current Office theme. const bodyBackgroundColor = Office.context.officeTheme.bodyBackgroundColor; const bodyForegroundColor = Office.context.officeTheme.bodyForegroundColor; const controlBackgroundColor = Office.context.officeTheme.controlBackgroundColor; const controlForegroundColor = Office.context.officeTheme.controlForegroundColor; // Apply theme colors to a CSS class. $("body").css("background-color", bodyBackgroundColor); if (Office.context.officeTheme.isDarkTheme()) < $("h1").css("color", controlForegroundColor); >>
Gets a partition key for local storage. Add-ins should use this partition key as part of the storage key to securely store data. The partition key is undefined in environments without partitioning, such as the browser controls for Windows applications.
partitionKey: string;
See the article Persist add-in state and settings for more information.
// Store the value "Hello" in local storage with the key "myKey1". setInLocalStorage("myKey1", "Hello"); // . // Retrieve the value stored in local storage under the key "myKey1". const message = getFromLocalStorage("myKey1"); console.log(message); // . function setInLocalStorage(key: string, value: string) < const myPartitionKey = Office.context.partitionKey; // Check if local storage is partitioned. // If so, use the partition to ensure the data is only accessible by your add-in. if (myPartitionKey) < localStorage.setItem(myPartitionKey + key, value); >else < localStorage.setItem(key, value); >> function getFromLocalStorage(key: string) < const myPartitionKey = Office.context.partitionKey; // Check if local storage is partitioned. if (myPartitionKey) < return localStorage.getItem(myPartitionKey + key); >else < return localStorage.getItem(key); >>
Provides the platform on which the add-in is running.
platform: PlatformType;
Important:
Provides a method for determining what requirement sets are supported on the current Office application and platform.
requirements: RequirementSetSupport;
Gets an object that represents the custom settings or state of a mail add-in saved to a user's mailbox.
The RoamingSettings object lets you store and access data for a mail add-in that is stored in a user's mailbox, so it's available to that add-in when it is running from any client application used to access that mailbox.
roamingSettings: Office.RoamingSettings;
Minimum permission level : restricted
Applicable Outlook mode : Compose or Read
// Get the current value of the 'myKey' setting. const value = Office.context.roamingSettings.get('myKey'); // Update the value of the 'myKey' setting. Office.context.roamingSettings.set('myKey', 'Hello World!'); // Persist the change. Office.context.roamingSettings.saveAsync();
Gets the object to check the status of the catalog of sensitivity labels in Outlook and retrieve all available sensitivity labels if the catalog is enabled.
sensitivityLabelsCatalog: Office.SensitivityLabelsCatalog;
Minimum permission level : read/write item
// Check if the catalog of sensitivity labels is enabled on the current mailbox. Office.context.sensitivityLabelsCatalog.getIsEnabledAsync((asyncResult) => < // If the catalog is enabled, get all available sensitivity labels. if (asyncResult.status === Office.AsyncResultStatus.Succeeded && asyncResult.value == true) < Office.context.sensitivityLabelsCatalog.getAsync((asyncResult) => < if (asyncResult.status === Office.AsyncResultStatus.Succeeded) < const catalog = asyncResult.value; console.log("Sensitivity Labels Catalog:"); console.log(JSON.stringify(catalog)); >else < console.log("Action failed with error: " + asyncResult.error.message); >>); > else < console.log("Action failed with error: " + asyncResult.error.message); >>);
Specifies whether the platform and device allows touch interaction. True if the add-in is running on a touch device, such as an iPad; false otherwise.
touchEnabled: boolean;
Applications: Excel, PowerPoint, Word
touchEnabled is only supported in Office on iPad.
Use the touchEnabled property to determine when your add-in is running on a touch device and if necessary, adjust the kind of controls, and size and spacing of elements in your add-in's UI to accommodate touch interactions.
Provides objects and methods that you can use to create and manipulate UI components, such as dialog boxes.
ui: UI;
Gets the object to retrieve the runtime URLs of an add-in.
urls: Urls;
Applications: Outlook on the web and on Windows (new and classic clients)
Minimum permission level : restricted
Applicable Outlook mode : Compose or Read
Important:
// Get the value of the first parameter of the JavaScript runtime URL. // For example, if the URL is https://wwww.contoso.com/training?key1=value1&key2=value2, // the following function logs "First parameter value: value1" to the console. const url = Office.context.urls.javascriptRuntimeUrl; const regex = /=([^&]+)/; console.log(`First parameter value: $`);
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