The Tech Toolbox
Plain-English walkthroughs for the apps and tech you use every day.
This page is for learning how. For interactive checkers and pickers, see /tools →
Featured walkthroughs
Draft titles, ready for review. None of these are published yet.
Outlook keeps asking for my password
The usual fix when Outlook on Windows keeps prompting for a password: close Outlook, clear the old saved sign-in, and sign in again.
I clicked a phishing link. Now what?
Close the page, check what you entered, scan your PC if needed, change passwords from the real site, and review recent sign-ins.
Getting MFA prompts you didn't ask for?
Deny unexpected Authenticator prompts, change your password from a trusted device, and review recent sign-ins. Don't approve a prompt to make them stop.
OneDrive isn't syncing (red X or stuck)
Fix OneDrive when a red X appears or files won't sync: check sign-in and storage, fix file names and long paths, then unlink or reset OneDrive.
Teams won't sign in or keeps looping
Fix a Microsoft Teams sign-in loop on Windows: confirm the password on the web, reset or clear the new Teams cache, then sign in again.
How to tell if an email is a phishing attempt
How to spot a phishing email: urgency, requests for passwords or money, odd sender addresses, and links that don't match. Report it, then delete it.
Browse by shelf
App and topic shelves. Draft titles are ready for review. Wi-Fi titles are planned examples.
Excel
PowerPoint
Outlook
Teams
OneDrive
Adobe Acrobat
Security
Wi-Fi & Network
Why is my Wi-Fi slow?
Example / plannedSecure your home Wi-Fi in 15 minutes
Example / plannedFix Wi-Fi dead zones in a two-story home
Example / plannedAI
Prompts by task (starter set)
Draft · Prompt libraryRewrite this email so it sounds like me
Example / plannedTurn meeting notes into action items
Example / plannedQuick tips
Short, one-job tips. These drafts are not published yet.
Schedule a message to send later in Outlook
DraftTeamsMute or unmute in Teams with a keyboard shortcut
DraftExcelFreeze header rows and columns in Excel
DraftAcrobatSign a PDF in Acrobat Reader (Fill & Sign)
DraftWindowsTake a screenshot with Windows+Shift+S
DraftWordTurn on Track Changes in Word
DraftOneDriveRestore a previous version of a OneDrive file
DraftTeamsBlur your background in a Teams meeting
DraftSecurityCheck recent sign-ins on your Microsoft account
DraftAcrobatCombine PDFs with Acrobat on the web
DraftOneDriveFree up disk space with OneDrive Files On-Demand
DraftWordPaste as plain text in Word
DraftOutlookRecall an email vs. undo send in Outlook
DraftOneDriveRestore a deleted file from the OneDrive recycle bin
DraftWindowsReuse copied items with Windows clipboard history
DraftPowerPointSave a PowerPoint deck as a PDF
DraftTeamsShare one window, not your whole screen, in Teams
DraftOutlookTurn on Focused Inbox in Outlook
DraftExcelUse Flash Fill in Excel to split or join text
DraftPowerPointUse Presenter View in PowerPoint
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