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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

How to use the variable type "Workbook" Excel(Excel) Macro(VBA)

For other variable types, please refer to Excel (Excel) Macro (VBA) about variable types. First, we will explain the basic usage of the variable type "Workbook".

2024.06.14

Excel Macro (VBA)

How to Adjust Column Width and Row Height in Excel (Manual Methods Explained)

Visibility is very poor if the column widths are too narrow to display all of the cell contents, or the row height is too narrow to display the contents. In this article, we will explain how to easily and automatically adjust row height and column width to just the right size. With a macro (VBA)...

2025.05.29

Excel Functions

Excel to allow entry of items not in the pull-down (drop-down) list

When using the pull-down entry function in Excel with the default settings, if you try to enter an item that is not in the list prepared for entry, an error message like the one shown below will appear and you will not be able to enter the item. In such a case, you can either allow any item to be entered, or display a message...

2025.06.11

Excel Functions

How to pass arguments between procedures ByRef,ByVal Excel(Excel) Macro(VBA)

This section describes how to pass arguments when procedures are separated. In the article below, I mentioned that it is easier to read and process the code by separating the procedures...

2023.12.27

Excel Macro (VBA)

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

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 use Excel (Excel) INDEX and MATCH functions in combination

We will show you how to display the desired data by combining the INDEX function, which refers to data from a table on another sheet, and the MATCH function. How to Write the INDEX Function There are two ways to write the INDEX function. INDEX(array, row number,) INDEX(reference, row number, , )

2024.07.27

Excel Functions

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 use the sheet protection function.

After you have created a great system or tool in Excel, do you ever have this fear when you want others to use it? What if someone accidentally breaks a formula... What if an important function is deleted? I only want to edit the cells I need, but...

2024.10.08

Excel Functions