Microsoft

Excel is a grid-based spreadsheet application where data lives in cells organized into rows and columns. You perform calculations using formulas (starting with "="), automate analysis with functions like SUM, VLOOKUP, or XLOOKUP, and visualize data with charts and pivot tables. Under the hood, Excel recalculates the entire workbook dependency tree every time a cell changes, which is why massive, formula-heavy files can grind your machine to a halt. It's the most powerful tool most people only use at 10% of its capacity.

On Windows 11, plenty of pre-installed Microsoft apps are pure bloat and can be safely removed: Solitaire Collection, Mixed Reality Portal, Xbox Game Bar (if you don't game), Mail & Calendar (if you use Outlook or Gmail), Microsoft Tips, Get Started, and the Weather app are all expendable. You cannot fully uninstall Edge through normal means, Microsoft hardcodes it into the OS in a way that antitrust regulators in Europe have specifically called out. OneNote, Cortana, and the Feedback Hub are also fair game for most users.

The core Microsoft 365 (formerly Office) suite includes Word, Excel, PowerPoint, Outlook, OneNote, and Access (Windows only). Depending on your subscription tier, you also get Teams, SharePoint, OneDrive, Publisher (now being retired), Visio, and Project. Microsoft 365 Business and Enterprise plans layer in additional security, compliance, and admin tools. The standalone "Office 2021" perpetual license exists but gets no new features, Microsoft very much wants you on the recurring subscription model instead.

On Windows 10/11, go to Settings → Accounts → Your Info, the email address listed there is your Microsoft account. If it shows a local username with no email, you're using a local account, not a Microsoft one. You can also check by visiting account.microsoft.com and signing in with any email you might have used. Microsoft has progressively made it harder to set up Windows without a Microsoft account, so most users set one up without fully realizing it during installation.

Microsoft Copilot is an AI assistant powered by OpenAI's models (GPT-4 class) and is now embedded across Windows, Edge, Microsoft 365, GitHub, and Azure. In practical terms, it can draft emails in Outlook, summarize long Teams meetings, generate Excel formulas from plain-English prompts, write and debug code in GitHub Copilot, and answer questions via a chat interface in Windows. The free tier exists, but the genuinely useful enterprise features, like summarizing your own company documents, sit behind the Microsoft 365 Copilot license, which costs $30 per user per month on top of your existing subscription.

Microsoft Fabric was announced at Microsoft Build and launched into general availability on November 15, 2023. It's an all-in-one analytics platform that unifies data engineering, data warehousing, data science, and business intelligence under a single product and billing model, essentially Microsoft's answer to Databricks and Snowflake rolled into one. It's built on top of OneLake, a single data lake storage layer, and is deeply integrated with Power BI.

Microsoft reports quarterly earnings four times a year, typically in late October (Q1), late January (Q2), late April (Q3), and late July (Q4/full year), aligned to its fiscal year, which runs July 1 through June 30. Exact dates are announced a few weeks in advance on the Microsoft Investor Relations site (microsoft.com/en-us/investor). The after-hours earnings calls are closely watched by the market, especially Azure cloud revenue growth figures, which now drive most of the stock's reaction.

Microsoft releases security patches on the second Tuesday of every month, universally known as "Patch Tuesday." Occasionally, critical zero-day vulnerabilities trigger out-of-band emergency patches outside that schedule. Enterprise IT teams plan their patching cycles around Patch Tuesday like clockwork, and the SANS Internet Storm Center publishes a breakdown of every patch batch within hours of release. If you're a home user, just keep Windows Update set to automatic and let it handle things.

Microsoft acquired Mojang, the Swedish studio behind Minecraft, in September 2014 for $2.5 billion, a price that shocked the industry at the time. Minecraft founder Markus "Notch" Persson walked away from the deal and from the game entirely. In hindsight, it was one of the shrewdest acquisitions in gaming history: Minecraft has since sold over 300 million copies across all platforms, making it the best-selling video game of all time.

Microsoft Teams launched on March 14, 2017, initially as a direct challenger to Slack within the Microsoft 365 ecosystem. It was rolled out globally to Office 365 commercial customers and grew steadily, then exploded during the COVID-19 pandemic in 2020, going from roughly 20 million daily active users in early 2020 to 115 million by October 2020. Microsoft later bundled Teams into Windows 11 and faced antitrust scrutiny in Europe for tying it to Office, ultimately agreeing to unbundle it from Microsoft 365 in 2023.

Microsoft completed its acquisition of GitHub in October 2018 for $7.5 billion in stock. The deal triggered immediate anxiety in the developer community, many feared Microsoft would commercialize or compromise the platform's independence. Those fears were largely unfounded: GitHub has remained the dominant code-hosting platform, and Microsoft used it as the foundation for GitHub Copilot, the AI coding assistant that became one of its fastest-growing revenue products.

By default, apps downloaded from the Microsoft Store are installed to C:\Program Files\WindowsApps, a hidden, system-protected folder you cannot browse normally without changing permissions. However, during installation you can redirect apps to a different drive via Settings → Apps → Advanced app settings → "Where new content is saved." Existing Store apps can sometimes be moved post-install via Settings → Apps → Installed apps → the app in question → Move. Not all apps support the move option.

As of 2023, Microsoft Teams meeting recordings are saved automatically to OneDrive (for personal/channel-less meetings) or SharePoint (for channel meetings), not Microsoft Stream, which was the old behavior before 2021. The person who started the recording owns the file and gets a link shared in the meeting chat. Admins can configure retention policies via the Microsoft Purview compliance portal to auto-delete recordings after a set period, which many organizations overlook until someone can't find a recording months later.

Microsoft Forms data lives in Microsoft's cloud, tied to your Microsoft 365 account, not in a file on your local machine or SharePoint. Response data is stored on Microsoft's servers and accessible at forms.microsoft.com. You can export responses to an Excel workbook at any time, which downloads to your local machine or OneDrive. If a form is created under a work/school account and that account is deleted or licensed removed, the form and its responses can be permanently lost, something IT admins routinely discover too late.

Microsoft is headquartered in Redmond, Washington, USA, a suburb of Seattle. The campus spans roughly 500 acres and houses tens of thousands of employees. Microsoft also has major engineering and operations hubs in cities including Bellevue (WA), Raleigh (NC), Dublin (Ireland, serving as its European HQ for tax purposes), and Hyderabad (India). The Redmond campus has been continuously expanded and modernized, with significant investments in on-site sustainability infrastructure.

Microsoft's global headquarters, officially called the Microsoft Redmond Campus, is at One Microsoft Way, Redmond, Washington 98052, USA. It's about 15 miles east of Seattle. The campus is massive enough to have its own zip code, shuttle system, and multiple dining facilities. Satya Nadella, who has been CEO since 2014, works from this campus and has been widely credited with transforming Microsoft's culture from its famously siloed, combative internal politics of the Ballmer era.

Microsoft's stock typically drops for one of three reasons: Azure cloud revenue growth came in below Wall Street's lofty expectations, broader tech-sector selloffs driven by interest rate fears or macro uncertainty dragged it down with the tide, or guidance for the next quarter disappointed investors. Microsoft is priced for near-perfection, trading at premium valuation multiples, so even a solid quarter that misses by a hair can trigger a sharp drop. The AI spending surge (massive data center buildout costs) has also raised questions about when those investments will convert to margin-expanding revenue.

For real-time stock movement, check a live financial source like Google Finance, Bloomberg, or Yahoo Finance, this page doesn't update in real time. That said, same-day Microsoft drops are almost always triggered by one of: a broader market selloff (S&P 500 down), a competitor announcement (e.g., Google or Amazon cloud news), a negative analyst note, or macro data (inflation, Fed rate signals). Rarely is it specific Microsoft news unless earnings just dropped.

The Microsoft Store is notoriously fragile and breaks in several well-documented ways: corrupted cache (fix: run WSReset.exe from the Run dialog), Microsoft account sign-in issues, broken Windows Update components, or proxy/firewall settings blocking Microsoft's servers. On Windows 11, many users also encounter the Store failing silently after a botched system update. Microsoft's own fix recommendation, running the "Windows Store Apps" troubleshooter, fixes the problem maybe half the time. A full Store reinstall via PowerShell (Get-AppXPackage *WindowsStore* | Foreach {Add-AppxPackage}) is often the most reliable nuclear option.

When Microsoft stock is in a sustained fall (not just a single-day blip), the culprit is almost always slowing Azure growth, margin compression from AI infrastructure spending, or a rotation out of high-multiple tech stocks. Microsoft trades at a premium because the market expects it to dominate AI and cloud, the moment that narrative wobbles, the stock re-rates downward fast. Broader fears about enterprise IT spending freezes, which directly hit Microsoft 365 and Azure subscriptions, can also trigger multi-week slides.