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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 Use Excel (Excel) Pull-Downs (Drop-Downs): How to Streamline Data Entry in a Few Simple Steps

By selecting items from pull-down menus instead of entering them freely, you can save time and effort in entering data, and you can also improve the reliability of data by preventing distortions in the notation. Preventing distortions in the notation allows the same data to be recognized as the same when tabulating data, so it can be used in Excel....

2024.11.11

Excel Functions

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

How to extract characters before a specific character "LEFT and FIND functions in Excel"

As shown in the figure below, if there is extra data after the string and you want to extract only the string to the left of the extra data, you cannot simply use the LEFT function alone because the number of characters is not constant. Function to extract the left side of the "¥" mark in cell "A2" = LEFT(A2,FIND(...))

2025.02.19

Excel Functions

Excel Macro (VBA): How to use the CountIfs function in VBA!　

If you are a beginner who wants to use Excel's COUNTIFS function in VBA, this is a must. This article provides a thorough explanation from basic writing to error handling. In fact, with a few tricks, you can reduce processing time from a few minutes to a few seconds. Read this article and you will be able to efficiently tabulate data from tomorrow.

2025.02.12

Excel Macro (VBA)

Excel (Excel) to automatically create a backup file every time you save

Here is how to automatically create a backup file every time you save Excel. 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 "So...

2024.01.10

Excel Functions

How to display time in 15-minute increments (CEILING and FLOOR functions) Excel

In the last issue, we introduced how to use the TIME function to display the time in 15-minute increments, 30-minute increments, etc. (TIME function) Excel pointed out that it would be easier to use the CEILING and FLOOR functions...

2024.06.18

Excel Functions

3 Easy Ways to Hide or Show Zero Values in Excel: Simple Formatting Tips

As shown in the figure below, when "A1" cell contains 150 and "A2" cell also contains the same number, 150, the calculation result of "=A1-A2" is "0" zero. There are three ways to avoid displaying numbers when the result of the calculation is "0" zero. The result of the calculation is "0" zero...

2024.10.29

Excel Functions

How to Extract Data Using the VLOOKUP Function in Excel

Being able to use the VLOOKUP function will expand the range of data handling, and will help you be seen as an intermediate Excel user by beginners. In this article, we will show you how to use the VLOOKUP function, and how to use the INDEX and MATCH functions to compensate for the weaknesses of the VLOOKUP function...

2024.07.04

Excel Functions

Forgot Password] How to remove sheet protection Excel (Excel)

I have a "sheet-protected" Excel file that I really need to unprotect, but the person in charge of applying the protection has already left the company or lost the memo, and I don't know the password. In such cases, do I have no choice but to give up? No, you can...

2024.10.29

Excel Functions