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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...

2026.07.09

Excel Functions

Linking two pull-downs (drop-downs) without macros (for linking only one set) Excel (Excel)

This article explains how to link two dropdown lists in Excel. Are you struggling with how to display only employees relevant to the selected department after choosing it? Actually, you can easily link them using the INDEX and MATCH functions. An Excel expert will teach you how.

2025.06.09

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 Hide Sheet Tabs in Excel – Fast & Easy

A must for Excel system creators and those considering preventing erroneous operations. This article explains with images how to hide sheet headings to prevent unexpected operations. In fact, it can be achieved with only a simple option setting. This article will help you create safe Excel files.

2025.06.11

Excel Functions

How to display time in 15-minute increments (CEILING and FLOOR functions) Excel

In the last issue, we introduced how to use the TIME function to display the time in 15-minute increments, 30-minute increments, etc. (TIME function) Excel pointed out that it would be easier to use the CEILING and FLOOR functions...

2024.06.18

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

How to set up read-only and password Excel (Excel)

Here is how to set Excel to read-only or set a password when opening. 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 "...

2024.01.10

Excel Functions

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)

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

[Forgot Password] How to Remove VBA (Macro) Passwords in Excel

A must-read for anyone who has forgotten their Excel password! This article explains in detail how to forcibly remove VBA passwords. In fact, you can easily remove it just by changing the file extension. By reading this article, you can escape read-only mode.

2026.07.10

Excel Macro (VBA)