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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

Name a cell Excel

There are many times when you need to refer to a cell with coordinates such as "=A1" or "=C50". However, when you try to get the value from another sheet or another book, the coordinates are not always the same.

2024.09.17

Excel Functions

How to find function references with trace arrows Excel (Excel)

If you are confused about reference relationships in Excel functions, you have come to the right place! This article details how to find references using trace arrows. In fact, you can easily visualize the relationship between cells from the formula tab. This article will help you understand complex functions.

2025.06.06

Excel Functions

Automatically create invoices from sales invoices 2 Excel (Excel)

Creating Invoices Automatically from Previous Sales Statements1 Continuing from Excel (Excel), we will create an invoice. Putting the details on the invoice (using a function)*Using the "FILTER" function using Spil*This one uses the Spil function, so you will need to use Microsoft365 or E...

2024.06.10

Excel FunctionsLet's make an invoice from a sales invoice.

How to correct "###" in cell display Excel (Excel)

When dealing with numbers in Excel, it often happens that the sharpness of the numbers becomes "######" as shown in the title, and the value becomes unreadable. The conclusion is that the reason for the "#####" is that the length of the value is larger than the size of the cell, making it impossible to display...

2024.06.05

Excel Functions

Forgot Password? How to Remove Read-Only (Write Protection) in Excel

If you forgot your Excel password, don’t worry! This article explains how to remove write protection easily by simply changing the file extension. Learn how to unlock read-only mode fast.

2025.07.12

Excel Functions

Automatically create invoices from sales invoices3 Excel (Excel)

Continuing from the previous article, "Creating Invoices Automatically from Sales Statements 2: Excel," we will now move on to creating invoices. If you haven't read it yet, please also read "Creating Invoices Automatically from Sales Statements 1: Excel". Putting details on an invoice (using a macro)...

2024.05.16

Excel Macro (VBA)Let's make an invoice from a sales invoice.

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 apply mosaic (blur) Excel

When you are preparing a document or manual for external publication, you may need to refer to a web site or a screen where non-public information is visible. In such a case, you would like to put a mosaic like this on the non-public part. We will explain this method in detail in this issue...

2024.07.05

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