--- title: Microsoft confirms outage affecting search in Microsoft... description: Microsoft confirmed an incident causing search failures across Microsoft 365 apps including Outlook on the web, Outlook desktop, SharePoint Online, and... canonical: https://daily.dev/posts/microsoft-confirms-outage-affecting-search-in-microsoft-365-apps-kbc6i6lst twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Microsoft confirms outage affecting search in Microsoft 365 apps | daily.dev og:description: Microsoft confirmed an incident causing search failures across Microsoft 365 apps including Outlook on the web, Outlook desktop, SharePoint Online, and... og:url: https://daily.dev/posts/microsoft-confirms-outage-affecting-search-in-microsoft-365-apps-kbc6i6lst og:image: https://api.daily.dev/og/posts/kBc6i6LST.png og:image:alt: Microsoft confirms outage affecting search in Microsoft 365 apps og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Microsoft confirms outage affecting search in Microsoft 365 apps **[BleepingComputer](https://daily.dev/sources/bleepingcomputer)** · 2 min read · 0 upvotes · 0 comments ## Summary Microsoft confirmed an incident causing search failures across Microsoft 365 apps including Outlook on the web, Outlook desktop, SharePoint Online, and OneDrive. The company traced the root cause to a recent deployment that introduced a resource utilization inefficiency, and says it has deployed a fix to restore service. This follows similar search-related incidents last year and a separate major Azure/Microsoft 365 outage in July caused by a network maintenance bug, as well as an eight-hour GitHub outage resolved earlier this week. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Questions this post answers ### Why is search not working in Outlook, SharePoint Online, or OneDrive right now? Microsoft identified the cause as a recent deployment that introduced a resource utilization inefficiency, degrading search performance across Outlook on the web, Outlook desktop, SharePoint Online, and OneDrive. The issue is tracked in the Microsoft 365 Admin Center under incident MO1456424. Microsoft says it has already developed and deployed a fix to reduce resource pressure and restore search for affected users. _daily.dev helps IT teams track infrastructure incidents like this Microsoft 365 search outage as they unfold._ ## Similar posts on daily.dev - [Microsoft 365 hit by outage, preventing access to emails and files](https://daily.dev/posts/microsoft-365-hit-by-outage-preventing-access-to-emails-and-files-irywo2f8j) · TechCrunch · 0 upvotes · 0 comments - [Microsoft 365 outage affects Teams, SharePoint and other services](https://daily.dev/posts/microsoft-365-outage-affects-teams-sharepoint-and-other-services-gi3tmhotf) · BleepingComputer · 0 upvotes · 0 comments - [Microsoft 365 outage drags on, but things are improving](https://daily.dev/posts/microsoft-365-outage-drags-on-but-things-are-improving-tkvddo9us) · TechCrunch · 3 upvotes · 0 comments - [Microsoft blames massive Microsoft 365 outage on maintenance bug](https://daily.dev/posts/microsoft-blames-massive-microsoft-365-outage-on-maintenance-bug-6v6fhc5ky) · BleepingComputer · 1 upvotes · 0 comments --- Tags: [#microsoft](https://daily.dev/tags/microsoft), [#sharepoint](https://daily.dev/tags/sharepoint) [View this post on daily.dev](https://daily.dev/posts/microsoft-confirms-outage-affecting-search-in-microsoft-365-apps-kbc6i6lst) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Microsoft confirms outage affecting search in Microsoft 365 apps","url":"https://daily.dev/posts/microsoft-confirms-outage-affecting-search-in-microsoft-365-apps-kbc6i6lst","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/microsoft-confirms-outage-affecting-search-in-microsoft-365-apps-kbc6i6lst"},"datePublished":"2026-08-18T09:28:00.654Z","dateModified":"2026-09-14T06:05:35.229Z","description":"Microsoft confirmed an incident causing search failures across Microsoft 365 apps including Outlook on the web, Outlook desktop, SharePoint Online, and...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/bfb825e6c24271dba5242520a70b7692?_a=AQAEuop","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/bfb825e6c24271dba5242520a70b7692?_a=AQAEuop","isAccessibleForFree":true,"articleSection":"BleepingComputer","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"BleepingComputer","logo":"https://media.daily.dev/image/upload/s--as8nJ3qy--/f_auto,q_auto/v1774959951/logos/bleepingcomputer?_a=BAMAMiWQ0","url":"https://daily.dev/sources/bleepingcomputer"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/microsoft-confirms-outage-affecting-search-in-microsoft-365-apps-kbc6i6lst","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":0},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"microsoft,sharepoint","timeRequired":"PT2M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"BleepingComputer","item":"https://daily.dev/sources/bleepingcomputer"},{"@type":"ListItem","position":3,"name":"Microsoft confirms outage affecting search in Microsoft 365 apps"}]} {"@context":"https://schema.org","@type":"FAQPage","@id":"https://daily.dev/posts/microsoft-confirms-outage-affecting-search-in-microsoft-365-apps-kbc6i6lst#faq","mainEntity":[{"@type":"Question","name":"Why is search not working in Outlook, SharePoint Online, or OneDrive right now?","acceptedAnswer":{"@type":"Answer","text":"Microsoft identified the cause as a recent deployment that introduced a resource utilization inefficiency, degrading search performance across Outlook on the web, Outlook desktop, SharePoint Online, and OneDrive. The issue is tracked in the Microsoft 365 Admin Center under incident MO1456424. Microsoft says it has already developed and deployed a fix to reduce resource pressure and restore search for affected users. daily.dev helps IT teams track infrastructure incidents like this Microsoft 365 search outage as they unfold."}}]} ```