Excel Functions How to Flag Non-Dropdown Values in Excel Using Conditional Formatting この記事ではExcelのプルダウンリストにない項目を入力した時に条件付き書式でセルの色を変える方法を詳しく解説。VLOOKUP関数で集計時にエラーが出て悩んでいませんか?実はMATCH関数とISNA関数の組み合わせで解決できます。 2025.06.11 Excel Functions
Excel Functions What does the error message "#VALUE!" mean and what can I do about it? Error messages are unavoidable when dealing with Excel, and you may be surprised when they suddenly appear. Here are the meanings and countermeasures for these errors. As an example of preconditions, let's make a table like this... 2024.05.30 Excel Functions
Excel Functions 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
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
spreadsheet 2 Easy Ways to Hide or Show Zero Values in Google Sheets Looking to hide zero values in Google Sheets? This must-read guide explains two easy methods—using custom formatting and the IF function. Discover how to instantly clean up your tables and boost the visual quality of your documents. Would you like a slightly shorter or more technical variation as well? 2025.06.18 spreadsheet
Excel Macro (VBA) How to pass arguments between procedures ByRef,ByVal Excel(Excel) Macro(VBA) This section describes how to pass arguments when procedures are separated. In the article below, I mentioned that it is easier to read and process the code by separating the procedures... 2023.12.27 Excel Macro (VBA)
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.
Excel Functions Excel (Excel) RIGHT and LEFT functions to extract a specific number of characters from the right or left of a string I want to display only the four characters from the right of the data entered in a cell, or I want to display the rest of the data without displaying the left few characters. Conversely, I want to display only 4 characters from the left of the data entered in a cell, or I want to display the rest of the data without displaying the few characters on the right. Thus... 2025.02.19 Excel Functions
Excel Functions 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 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