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Email and Outlook problems and solutions: step by step guides

Email is an indispensable part of business today, but problems with Outlook and other email clients can seriously slow down your work. Whether messages are not arriving, Outlook keeps asking for a password, the mailbox is full or search is not working, here you will find clear instructions tailored to users in your country.

In this category we cover the most common email and Outlook problems, from setting up IMAP and Exchange accounts, through PST and OST files, to dealing with spam and Gmail specifics. Every guide is step by step, with clear explanations, so you can quickly find a solution on your own.

  1. Outlook not sending or receiving messages: how to fix the problemOutlook not sending or receiving messages? Find out the most common causes and troubleshooting steps: check connection, account, folders, rules and security settings. Medium 15 min
  2. Outlook keeps asking for password: solution for repeated sign-insOutlook keeps asking for password and won't accept it? Learn the causes and steps to fix it: credential cache, modern authentication, profile, and more. Medium 20 min
  3. Mailbox is full: how to free up space in your mailboxMailbox is full and mail is not arriving? Learn how to find the largest messages, clean up attachments, and archive old emails in Outlook and Gmail. Easy 20 min
  4. PST and OST file errors: how to repair corrupted dataOutlook reports a PST or OST file error? Learn how to repair corrupted data, run the scan tool, and prevent email loss. Medium 30 min
  5. How to share a calendar in Outlook with colleaguesLearn how to share a calendar in Outlook with colleagues, set permissions and fix issues with viewing other people's calendars. Medium 10 min
  6. Setting up IMAP and Exchange accounts in Outlook: a guideA step-by-step guide to adding IMAP and Exchange accounts in Outlook. Learn the exact server settings, ports, and fixes for common connection errors. Medium 15 min
  7. Outlook signature: how to set it up and change itLearn how to set up, edit and remove a signature in Outlook on desktop and Outlook on the web, and why an old signature sometimes still appears in messages. Easy 10 min
  8. Outlook search not working: how to restart itOutlook can't find messages or search returns empty results? Check the index, rebuild the cache and get Outlook search working again in a few minutes. Medium 20 min
  9. Gmail problems: not sending, not receiving or not openingGmail not sending messages, not receiving mail or not opening at all? Check the connection, storage, filters and account settings and fix the problem in a few steps. Easy 15 min
  10. Automatic reply in Outlook: how to enable itLearn how to enable automatic replies in Outlook for vacation or absence. Steps for Outlook on desktop, web and mobile, with tips for proper operation. Easy 5 min
  11. Outlook rules: how to automatically sort messages into foldersLearn how to set up Outlook rules that automatically move messages into folders. Step by step guide for quick inbox organization. Easy 10 min
  12. Outlook cannot open attachment: fix for filesOutlook cannot open attachment? Learn why files won't open and how to fix attachment problems in Outlook on Windows and Mac. Medium 10 min
Didn't find a fix?The AI IT assistant is available 24/7. Describe the problem or send a screenshot of the error and get instructions for your case.Ask the AI IT assistant