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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

VLOOKUP function gives #N/A or #REF!

The VLOOKUP function is a very useful function for handling data, but many of you may have experienced that once you get stuck in the error swamp of #N/A or #REF! In this article, we will discuss how to use the VLOOKUP function to get rid of the #N/A and #REF!

2024.07.05

Excel Functions

How to set and remove sheet and book protection Excel (Excel)

If you are thinking about preventing Excel mishaps, this is a must! This article details how to set up and remove sheet and book protection. In fact, you can easily set it with a password. This article will help you protect your important data.

2025.06.06

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)

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

How to Create a Petty Cash Log in Excel (Invoice-Compliant Template Guide)

Many companies and sole proprietorships use petty cash to keep track of personal and company finances. However, it is very time-consuming and error-prone to keep balances and to post the information in the cash book to the accounting system...

2024.05.30

Let's Make SeriesLet's make a petty cash book.

[For Beginners] Step-by-Step Guide to Installing SeleniumBasic

This article offers a beginner-friendly, detailed guide to installing SeleniumBasic. Stuck on the installation and thinking about giving up on automation? The truth is, anyone can install it by taking it one step at a time. A professional with 20 years of experience teaching Excel will walk you through the process.

2025.06.16

Excel Macro (VBA)

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

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.

Get the path (save location) of the opened Excel file "Path" Excel Macro (VBA)

In many cases, it is useful to be able to get the location of the Excel file you are currently working on when you want to retrieve values from another Excel file or save a file as a name using a macro. In this article, we will show you how to use the "Path" command, which is useful in such cases. The currently open Excel file...

2024.05.30

Excel Macro (VBA)