Microsoft has vowed to support it for years to come. Recently, on consumer demand, the company brought back OneNote’s desktop app. For example, OneNote iOS and Mac apps have already implemented dark theme support. The software is usually quick to follow OS guidelines and advancements. Be it iOS, Android, Mac, Windows, or Web, you can access the notes on all popular platforms. And second, the software is available everywhere. There are two reasons for Microsoft OneNote’s striking popularity. Over the years, Microsoft has added functions to OneNote to rival it against the likes of Evernote and Google Keep. Microsoft OneNote is one of the well-known years-old legacy software by the company.