パソコン・ソフトDo you get an error every time you open Excel? 6 causes of "Cannot function properly" and solutions you can try nowExplains the causes and solutions for the error that displays "Cannot function properly" or "Has stopped working" every time you open Excel. We will introduce easy-to-understand methods that you can try right away in your Windows 11 environment, such as disabling add-ins, starting in safe mode, and repairing Office.2026.03.05中村 健太
暮らし・家事Does your laundry smell like something? Pitfalls of setting “one rinse” and how to correctly choose the number of rinses and courseThe reason why your laundry smells may be due to the "one rinse" setting. We will explain in an easy-to-understand manner the difference between pre-rinsing and water-filling rinsing, how to change settings depending on the manufacturer, and precautions for detergents that can be rinsed once.2026.03.05鈴木 遥
お金・届出Don't know about Rakuten Super SALE's "points ◯ times"? Easy-to-understand explanation of SPU, shopping around, multipliers and upper limits for days with 5 and 0 [2026 edition]For those who don't understand how Rakuten Market's ``points ◯ times'' notation system works. We will explain in an easy-to-understand way with specific examples the multipliers, maximum points, and calculation methods for the three major campaigns: SPU, shop shopping, and days with 5 and 0.2026.03.05山田 結衣
パソコン・ソフトHow to write Excel VLOOKUP and IF using Power Query? M language conversion quick reference table for frequently used functions [for beginners]An explanation for beginners on how to write 10 frequently used functions such as Excel's VLOOKUP, IF, LEFT, and MID in Power Query (M language), with a correspondence table and specific examples. We also introduce the steps to add custom columns and tips on how to use them properly.2026.03.05中村 健太
仕事・副業Can't concentrate while working from home? How to increase productivity with Windows 11's Do Not Disturb mode and how to organize app notificationsThe reason you can't concentrate while working from home may be due to your PC notification settings. Explains how to use Windows 11's ``Do Not Disturb Mode'' and ``Focus Session,'' and how to configure settings to intelligently control Slack and Teams notifications.2026.03.05山田 結衣
仕事・副業The host doesn't come or you can't start the Zoom meeting? How to set up an alternate host/host key and limitations of the free version [2026 version]Explains how to deal with the problem of not being able to start a Zoom meeting because the host is not present. We will introduce the three methods of alternate host, host key, and permission to participate before the host, along with the differences between the free version and paid version, as well as the setting procedure.2026.03.05山田 結衣
パソコン・ソフトAre your eyes tired or having trouble sleeping from your computer screen? Windows 11 night mode and 5 blue light countermeasuresBlue light and screen settings may be the reason why your eyes get tired from using the computer and you can't sleep at night. We will explain in an easy-to-understand manner 5 ways to take measures that can be taken without spending a lot of money, such as how to set Windows 11's night mode/dark mode, brightness adjustment, and the 20-20-20 rule.2026.03.05中村 健太
パソコン・ソフトIs the image pasted in Excel not displayed or marked as a cross? 6 causes and solutions you can try now [Windows]Explains 6 causes and solutions for troubles where images pasted in Excel are not displayed or marked with a cross (x). We have summarized ways that even beginners can easily fix problems such as object display settings, broken links, and image format problems.2026.03.04中村 健太
仕事・副業Can everyone see the files you shared on Teams? How to properly set team channel permissionsA file uploaded to a Teams channel was unintentionally visible to the entire organization.To prevent such permission setting mistakes, we will explain the difference between public and private, setting the range of shared links, and how to check access rights in SharePoint in an easy-to-understand manner.2026.03.04山田 結衣
暮らし・家事Did your windbreaker lose its water repellency? Tips on how to properly use “water repellent for washing machines” that lasts longer than spray and how to restore its effectivenessExplains what to do when the water repellency of your windbreaker or rainwear has deteriorated and it no longer repels water. The difference between water repellent spray and washing machine water repellent, how to properly use NIKWAX TX. Direct, how to restore water repellency with an iron or hair dryer, and tips to make the effect last longer.2026.03.04鈴木 遥
スマホ・アプリCan't cancel sending on LINE? Changes to the 1-hour limit and what to do if it cannot be canceled [2026 edition]LINE's send cancellation time was shortened from 24 hours to 1 hour in November 2025. We will explain the 6 reasons why you cannot cancel, the difference from "deletion", how to cancel LYP Premium without notice in 7 days, and what to do if you are unable to cancel.2026.03.04佐藤 理香
スマホ・アプリBluetooth earphones disconnect or cannot connect? 7 causes and solutions you can try now [iPhone/Android]We explain 7 reasons why Bluetooth earphones cut out, can't connect, or can't hear in one ear, and how to deal with them for iPhone and Android. We will introduce methods you can try right away, such as re-pairing and resetting network settings.2026.03.04佐藤 理香
