I created this as a personal memo. Please check for the latest information yourself.Points to note Custom skills in Excel are ...

If I have an AI agent, can I build things other than apps?” Even if you think that, when you actually try to ask for it, you might get stuck on things like this. When I asked to “automate Excel tasks, ...

I keep my spreadsheets saved locally, and I don’t want to upload them to an AI service every time I need help with a formula ...

Huge Excel sheets can be annoying, but they don't have to be.

Add a checkbox in Excel with Insert > Checkbox, tick it with a click or Spacebar, and use its TRUE or FALSE value. Form Controls and the web too. To add a checkbox in Excel, select the cell or cells ...

Excel add ins not showing? Find installed add-ins, enable missing tools, restore hidden commands, and fix loading problems on Windows and Mac. You installed an Excel ...

September 2026 is drawing to a close, which means that it is time yet again to recap all the new features that Microsoft introduced in Excel during the past four weeks. Although the first half of the ...

Many of ONLYOFFICE's core spreadsheet tools worked, but even basic Excel workflows became increasingly frustrating to ...

Although Microsoft sometimes removes features from Excel, it often offers better alternatives and adds completely new capabilities as well. Now, it has shared all the enhancements it has made to its ...

You can create custom skills to accomplish complex tasks for AI agents and Copilot for Excel. Optionally, these skills can use the Office JavaScript Library (Office ...

If you cannot enable disabled add-ins in Excel, Word, and PowerPoint, here is how you can fix the problem in Windows 11. Although these solutions are mainly for Microsoft 365 users, you can try them ...