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For beginners] Explanation of causes of Excel being slow and countermeasures.

Manager, have you ever felt 'kind of heavy' when using Excel? Student Yes, sir! I recently started using Excel to improve my business, but I'm having trouble opening files because it takes so long. ManagerYes, that's right. Many people have the same problem...

2024.10.02

Excel Functions

How to Fix Missing Sheets in Excel (Step-by-Step Guide)

This article explains how to solve the sheet heading hiding problem in Excel from the options settings. Have you ever had trouble finding a sheet in a file created by someone else? This article is written by the author, who has experience in supporting Excel operations.

2025.06.06

Excel Functions

About Variable Types Excel(Excel) Macro(VBA)

This section explains the types used when declaring variables in "Dim Variables". Here are some typical types of variables that you only need to remember. I almost always use only these. Variable typeThe range of data that can be storedstring stringlong integer (-2,14...)

2024.06.14

Excel Macro (VBA)

How to Insert Rows in Excel Without Breaking Formulas

Having trouble with broken formulas after inserting rows in Excel? This article explains step-by-step how to fix them easily using formula copying—shared by an experienced Excel expert.

2025.06.18

Excel Functions

Top 4 Ways to Write Vertically in Excel: Features, Pros, and Best Use Cases

Excel is normally designed to be written horizontally, but it can also be written vertically. There are several ways to do this, but in this article, we will introduce four methods, two using "cell formatting" and two using "text boxes. Using "Vertical Writing" Cell Formatting1....

2025.05.30

Excel Functions

Excel RIGHT and LEFT functions to extract a specific number of characters from the right or left of a string

I want to display only the four characters from the right of the data entered in a cell, or I want to display the rest of the data without displaying the left few characters. Conversely, I want to display only 4 characters from the left of the data entered in a cell, or I want to display the rest of the data without displaying the few characters on the right. Thus...

2025.02.19

Excel Functions

How to delete a sheet by specifying the sheet name VBA(Macro)Excel(Excel)

As the number of unneeded sheets grows, browsing becomes worse, and Excel itself becomes slower. In such cases, you can use VBA to automatically delete unnecessary sheets. In this article, we will show you how to use VBA to delete sheets at high speed...

2024.08.23

Excel Macro (VBA)

What does the error message "#NAME?

Error messages are unavoidable when dealing with Excel, and you may be surprised when they suddenly appear. Here are the meanings and countermeasures for this error message. Meaning of "#NAME?

2024.06.05

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

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