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Digital certificate can no longer be selected when logging in to a site (Edge)

Have you ever seen the following error message when using login with a digital certificate? The certificate you have selected is not available for this service. Please close all browser windows and try again. Internet ban...

2024.08.02

Edge

Easy with Excel and Word! Mastering the art of address printing that anyone can do!

Have you ever had to worry about writing addresses for New Year's cards and summer greeting cards? Writing dozens of cards by hand is a lot of work, but buying specialized software is also a bit expensive.... Everyone has experienced this dilemma at least once. But the truth is, your computer...

2024.09.22

Excel Functions

How to display file extensions [Windows 11].

For the beginning computer user, there may be little trouble with file extensions not being displayed. However, once you have started to tinker with computers to some extent, there are situations where you may need to change the file extension or process a file differently depending on its extension, so this...

2024.10.08

Windows

How to Change Digital Certificate Display Names in Microsoft Edge for Easy Identification

How to Change Digital Certificate Names in Edge | Stop Certificate Confusion. Set friendly names for easy identification. Step-by-step guide to distinguish multiple certificates in Microsoft Edge browser.

2025.07.03

Edge

How to Use Wavy Lines to Crop or Skip Part of an Image in Excel

Master the wavy line technique to compress images in Excel! Step-by-step tutorial showing how to create professional image breaks and save space in your spreadsheets and presentations.

2025.08.07

Excel Functions

Allows you to see the address where the book is saved Excel (Excel)

You can display the path in the toolbar so that you can always see the address where you saved your Excel book. We will show you how to do this in this article. Click on the "File" tab, click on "Options", click on "Quick Access Toolbar" > "All...", and then click on "Quick Access Toolbar" > "Quick Access Toolbar" > "All...".

2024.05.16

Excel Functions

Measure macro processing time Excel(Excel) Macro(VBA)

When trying to speed up a macro, it is first necessary to be able to determine how much time was saved before and after the improvement, and how much time was saved or not. To do this, it is necessary to be able to measure the time. In this article, we will show you how to do this. In this article, we will discuss the process of...

2024.01.03

Excel Macro (VBA)

How to Convert Google Sheets to Excel

When a business partner submits data in a Google Spreadsheet, or when data created in a Google Spreadsheet is required to be submitted in Excel, it will be necessary to convert the data to Excel. In this article, we will discuss the Google Spreadsheet...

2025.08.10

googlesheet

How to set up read-only and password Excel (Excel)

Here is how to set Excel to read-only or set a password when opening. Display the General Options screen First, display the "Save As" screen. On the Excel screen, click the "File" tab, then click "Save As," then click "...

2024.01.10

Excel Functions

How to install .NET FrameWork

What are the versions of the .NET Framework? NET Framework (DotNet Framework) comes in various versions (types of toolboxes) with slightly different tools inside...

2024.10.01

Excel Macro (VBA)