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The two reasons for garbled csv files and how to fix them [Thorough explanation by an Excel master] Windows version.

"Huh? What is this?" Have you ever opened a CSV file in Excel only to find that the text in the file is a series of unintelligible symbols? Yes, you are now facing a troublesome problem called "garbled characters," which is a common problem that many people suffer from...

2024.09.12

Excel Functions

How to Round Time to 15-Minute Intervals in Excel (Easy Formula Guide)

Struggling with time rounding in Excel? This guide shows you how to combine TIME and ROUND functions effectively. Simple techniques that boost productivity. Master time rounding calculations with ease.

2025.07.15

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 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

How to Insert Rows in Excel Without Breaking Formulas

Having trouble with broken formulas after inserting rows in Excel? This article explains step-by-step how to fix them easily using formula copying—shared by an experienced Excel expert.

2025.06.18

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)

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)

VBA "Overflow occurred." Error cause and remedy (runtime error '6′:)

Cause of ErrorThis error occurs when the data type is not in a format that can be handled, or when the data type exceeds the range of numbers that can be handled. First, let's reproduce the error. As shown in the figure above, we have set up the code to copy the numeric value in cell "B3" to cell "B4".

2024.10.10

Excel Macro (VBA)

[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)

Error display "#DIV/0!" Meaning and Countermeasures Excel

Error messages are unavoidable when dealing with Excel, and you may be surprised when they suddenly appear. If you know the meaning of the error and what to do about it, there is nothing to be afraid of. Meaning of "#DIV/0!

2024.05.30

Excel Functions