{"id":2130,"date":"2026-06-17T15:17:59","date_gmt":"2026-06-17T07:17:59","guid":{"rendered":"https:\/\/xlwings.net\/blog\/?p=2130"},"modified":"2026-03-28T07:38:09","modified_gmt":"2026-03-28T07:38:09","slug":"how-to-use-applicationissandboxed-in-the-xlwings-api-way","status":"publish","type":"post","link":"https:\/\/xlwings.net\/blog\/how-to-use-applicationissandboxed-in-the-xlwings-api-way\/","title":{"rendered":"How to use Application.IsSandboxed in the xlwings API way"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">The <code>IsSandboxed<\/code> property of the <code>Application<\/code> object in Excel&#8217;s object model is a read-only Boolean property that indicates whether the current instance of Excel is running in a sandboxed environment. This is particularly relevant for security contexts, such as when Excel is embedded within a web browser or running under certain restricted permissions, like in Office Online or protected view scenarios. In a sandboxed environment, certain operations may be limited or disabled to enhance security, such as accessing external data sources or executing macros. Understanding this property can help developers write more robust and secure code by conditionally enabling or disabling features based on the runtime environment.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In xlwings, you can access this property through the <code>Application<\/code> object, which is part of the <code>xlwings.App<\/code> class when interacting with Excel instances. The syntax for accessing the <code>IsSandboxed<\/code> property in xlwings is straightforward, as it mirrors the Excel object model. Here\u2019s how you can call it:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Syntax<\/strong>: <code>app.api.IsSandboxed<\/code><\/li>\n\n\n\n<li><code>app<\/code>: This is an instance of <code>xlwings.App<\/code>, representing the Excel application.<\/li>\n\n\n\n<li><code>api<\/code>: This attribute provides direct access to the underlying Excel object model, allowing you to call properties and methods that are not directly wrapped by xlwings.<\/li>\n\n\n\n<li><code>IsSandboxed<\/code>: The property name, which returns a Boolean value (<code>True<\/code> if Excel is sandboxed, <code>False<\/code> otherwise).<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">No parameters are required for this property, as it is a simple property getter. The return value is a Python Boolean, which you can use in conditional statements. It\u2019s important to note that this property may not be available in all versions of Excel; typically, it is supported in newer versions (e.g., Excel 2013 and later) and specific environments. If you try to access it in an unsupported version, you might encounter an <code>AttributeError<\/code>. To handle this gracefully, you can use error handling or check the Excel version beforehand.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Here\u2019s a code example that demonstrates how to use the <code>IsSandboxed<\/code> property in xlwings to check the sandbox status of an Excel instance:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import xlwings as xw\n\n# Connect to the active Excel instance or create a new one\napp = xw.apps.active if xw.apps.active else xw.App()\n\ntry:\n    # Access the IsSandboxed property via the api attribute\nis_sandboxed = app.api.IsSandboxed\n    print(f\"Excel is running in a sandboxed environment: {is_sandboxed}\")\n\n    # Use the property in a conditional statement\n    if is_sandboxed:\n        print(\"Restricted mode: Some features may be disabled.\")\n    else:\n        print(\"Full mode: All features are available.\")\nexcept AttributeError:\n    print(\"The IsSandboxed property is not supported in this version of Excel.\")\nfinally:\n    # Clean up: close the app if it was created in this script\n    if not xw.apps.active:\n        app.quit()<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The `IsSandboxed` property of the `Application` object in Excel&apos;s object model is a read-only Boolea&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[25],"tags":[],"class_list":["post-2130","post","type-post","status-publish","format-standard","hentry","category-xlwings-api-reference"],"_links":{"self":[{"href":"https:\/\/xlwings.net\/blog\/wp-json\/wp\/v2\/posts\/2130","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/xlwings.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xlwings.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xlwings.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/xlwings.net\/blog\/wp-json\/wp\/v2\/comments?post=2130"}],"version-history":[{"count":1,"href":"https:\/\/xlwings.net\/blog\/wp-json\/wp\/v2\/posts\/2130\/revisions"}],"predecessor-version":[{"id":3255,"href":"https:\/\/xlwings.net\/blog\/wp-json\/wp\/v2\/posts\/2130\/revisions\/3255"}],"wp:attachment":[{"href":"https:\/\/xlwings.net\/blog\/wp-json\/wp\/v2\/media?parent=2130"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xlwings.net\/blog\/wp-json\/wp\/v2\/categories?post=2130"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xlwings.net\/blog\/wp-json\/wp\/v2\/tags?post=2130"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}