Mac desktop How to undo what you edited in “Preview.app” on Mac
Macの「プレビュー」アプリで、編集した内容を元に戻す方法を紹介します。
具体的な操作方法の図解の他に、注意点も説明します。
Mac how to use
Mac desktop 
Mac desktop How to use Mac free app “AppCleaner”
I will explain in detail the features, installation, and usage of the Mac application deletion application "AppCleaner" using illustrations.
In addition, I will explain the comparison with competing apps and what to do if you can not remove it with AppCleaner.
Mac desktop Reviews and recommendations for apps that can extend your Mac’s clipboard functionality
The clipboard feature on your Mac can only save the most recent data.
This page introduces multiple apps that can extend the clipboard function, and lists the advantages and disadvantages and recommendations.
Mac desktop How to display / delete the clipboard of Mac and manage the history?
I will show you how to view and erase the contents of the clipboard when copying and pasting on your Mac.
I will also show you how to manage the clipboard history.
Mac desktop List of causes and solutions when the clipboard cannot be used on Mac
Here's what to do if you can't use the clipboard (can't copy or paste) on your Mac.
I will explain a wide range of causes and solutions for clipboard problems, including the "Universal Clipboard", using illustrations.
Mac desktop Introducing items that can be set with the screenshot function of Mac
I will introduce the items that can be set with the screenshot function of Mac.
There are two methods, one is to set from the screen and the other is to enter commands in "Terminal.app".
I will explain the advantages and disadvantages of each and the specific procedure.
Mac desktop How to take a screenshot and edit it on Mac
Here are three ways to edit after taking a screenshot on your Mac.
Normally, you save the file and then edit it, but you can also edit it suddenly without saving the file.
Mac desktop Here are two ways to print screenshots on Mac
Here are two ways to print after taking a screenshot on your Mac.
Normally, you save the file before printing, but you can also print without saving the file.
Mac desktop How to save Mac screenshots to “Photos.app” app
When you take a screenshot on your Mac, the image file in PNG format is usually saved on your desktop.
However, on macOS 10.14 Mojave oe later, it is possible to save directly to the genuine Mac application "Photos.app".
This page will guide you through the process.
Mac desktop How to save Mac screenshots as jpeg or pdf
When you take a screenshot of your Mac, it is saved to your desktop in PNG format by default.
On this page, I will explain in detail how to change to JPEG / PDF or other image formats, how to restore them, and how to check the current image format using the "Terminal.app".