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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

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

Insert rows without breaking formulas (using spil) Excel (Excel)

With Microsoft365 and Excel 2021 or later versions, you can insert, delete, and rearrange rows without breaking the formula by using a feature called Spill. In this article, we will show you a specific example...

2024.09.13

Excel Functions

How to Find the Last Row in Excel Using VBA (Macro Guide for Beginners)

We show you how to search through the data from the top down, and how to start from the bottom row of the Excel file and work your way up.

2025.05.30

Excel Macro (VBA)

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

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

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 invoices1 Excel (Excel)

There are many useful software systems that automatically output invoices as you record sales data if you pay for them, but many people are unable to install software because they "don't have enough money to pay for it" or "management won't allow it" and are making each invoice by hand...

2024.06.10

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

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)

Excel Clipboard Error: “The content cannot be copied because it is being used by another application” — Symptoms and Quick Fixes

Frustrated by the "File is in use by another application" error during copy and paste? This article provides a detailed explanation of the issue along with both quick fixes and long-term solutions to resolve it effectively.

2025.06.18

EdgeExcel Functions