スマホ・アプリ8 reasons why you can't send or receive messages on LINE and solutions you can try now [iPhone/Android]We explain 8 causes and solutions for troubles where you can't send or receive messages on LINE for iPhone and Android. Covers common causes such as communication environment, app updates, reception refusal settings, and server failures.2026.02.21佐藤 理香
お金・届出Did you make a payment with PayPay that you don't recognize? How to check for unauthorized use and procedures for applying for compensation [2026 edition]We will explain in an easy-to-understand manner how to check when you receive a payment notification from PayPay that you do not recognize, and how to apply for compensation if it is truly fraudulent, based on official information as of February 2026.2026.02.21山田 結衣
仕事・副業Can't switch between multiple accounts in Teams? 5 causes and solutions for organizations not being displayed [2026 edition]An easy-to-understand explanation of 5 reasons why you can't switch between multiple accounts (organizations) in Teams, organizations not being displayed, and notifications not being delivered, and how to deal with them, such as deleting the cache, checking guest settings, and using the browser version.2026.02.21山田 結衣
パソコン・ソフトCan't copy/sort by merging cells in Excel? Cause and how to solve it with "Center within selection"Are you having trouble with ``unable to copy'' or ``unable to sort'' due to cell merging in Excel? We will explain in an easy-to-understand manner the causes of errors, first aid measures, and how to use "Center within selection" to keep the appearance clean even without merging cells.2026.02.21中村 健太
AI・チャットボットCan't use ChatGPT on your company PC? 7 ways to use Copilot to make your work more efficientEven if ChatGPT is blocked on your company PC, you can streamline your work with Microsoft Copilot, which comes standard with Windows. Explains 7 usage techniques such as email creation, document summarization, and consultation on Excel functions, reasons why companies restrict ChatGPT, and Copilot's data protection mechanism.2026.02.21高橋 湊
仕事・副業Can't download recordings/transcriptions of Teams meetings? How permissions work and how to save even participantsThe reason why recordings and transcripts of Teams meetings cannot be downloaded is due to the permission mechanism. We provide easy-to-understand explanations of what to do for organizers and participants, and how to manage storage deadlines.2026.02.20山田 結衣
AI・チャットボットCan't use ChatGPT/Gemini when traveling abroad? List of countries where it cannot be used and how to solve it with a VPN [2026 edition]We explain the causes and solutions for why ChatGPT and Gemini suddenly become unusable when traveling overseas. We will provide a list of countries where it cannot be used, such as China and Hong Kong, as well as easy-to-understand instructions on how to access it safely using a VPN.2026.02.20高橋 湊
お金・届出Can I use V points if I switch to Olive? Causes and solutions for stumbling on ID linkage/Vpass registration [2026 edition]Explains the causes and solutions for V point ID linkage problems with Olive and Vpass registration errors. We will also organize the differences between SMBC ID, Vpass ID, and V membership number in an easy-to-understand manner.2026.02.20山田 結衣
WebサービスHow to delete all unnecessary emails in Gmail | Steps to delete old emails at once using search command [PC/Smartphone]Explains how to delete unnecessary emails in Gmail in bulk using search commands (search operators) for PC and smartphone. We will also introduce 5 search commands that can be used with copy and paste, as well as notes on operations that cannot be performed on smartphones.2026.02.20佐藤 理香
スマホ・アプリ5 causes of "Unable to connect to iCloud Private Relay from Safari" and solutions you can try now [iPhone/Mac]Explaining 5 causes and solutions when the "Unable to connect to iCloud Private Relay" error occurs in Safari. This can be resolved by reviewing Wi-Fi, VPN, and settings.2026.02.20佐藤 理香
パソコン・ソフトWhy is Excel heavy and frozen? 7 causes and ways to make it lighter that you can try now [Windows]Explains 7 reasons why Excel is heavy or freezes and how to make it lighter. Introducing methods that you can try right away by changing settings in the Windows version of Excel, such as manually switching calculation methods, organizing conditional formatting, optimizing VLOOKUP, and disabling add-ins.2026.02.20中村 健太
お金・届出How to find and cancel unused subscriptions | Procedures for checking iPhone/Android/credit card statements [2026 version]Explains how to find and cancel unused subscriptions from your smartphone or credit card statement, with screen instructions for iPhone and Android. We will also introduce pitfalls that will prevent you from canceling your subscription just by deleting the app, and habits that will help you keep track of your subscription in the future.2026.02.20山田 結衣
