Topic
Office & Outlook
Outlook, Word, Excel and Microsoft 365 problems, from mailboxes that won’t load to files that won’t open.
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A required authentication broker is missing: how to fix it
Fix “A required authentication broker is missing” in Outlook, Teams and Microsoft 365 apps: re-register the AAD broker, run the troubleshooter, reconnect the account…
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How to fix Outlook error 0x800CCC92 (server rejected your login)
Fix Outlook error 0x800CCC92: re-enter the password, use an app password, turn on POP, check server settings, or add the account again.
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How to enable an archive mailbox in Microsoft 365 (Office 365)
Turn on the online archive mailbox for Microsoft 365 users in the Exchange admin center or with PowerShell, enable auto-expanding archiving, and find the…
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How to record a Teams meeting (and where the recording goes)
Start and stop a Microsoft Teams meeting recording, find the saved video in OneDrive or SharePoint, turn on automatic recording, and fix a missing…
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How to recall an email in Outlook (and when it works)
Recall or replace a sent email in new Outlook, classic Outlook and Outlook on the web, see when recall works, check the result, and…
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Microsoft Teams not connecting: how to fix it
Fix Microsoft Teams not connecting on Windows: test the web app, reset the Teams cache, fix VPN, proxy, DNS and clock problems, and update…
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Teams classic: why it’s gone and how to switch to new Teams
Teams classic stopped working on July 1, 2025. Here’s what changed, why you can’t download it, how to install new Teams and remove classic…
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530 5.7.57 Client not authenticated to send mail: how to fix it
5.7.57 Client not authenticated to send mail means Microsoft 365 rejected an app or printer’s SMTP sign-in. Check the settings, enable SMTP AUTH, review…
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PowerPoint tips: 10 ways to build and present slides faster
Practical PowerPoint tips for Windows: editing shortcuts, Slide Master, Designer, Align, Reuse Slides, Morph and Zoom, Presenter View, slide show keys, rehearsing and shrinking…
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Excel tips and tricks: 10 ways to work faster in Excel
Practical Excel tips and tricks for Windows: time-saving shortcuts, tables, Freeze Panes, Flash Fill, XLOOKUP, Paste Special, removing duplicates, drop-down lists and Quick Analysis.