问题
How can I set my local language spell checker for Microsoft word, my language does not include in Microsoft's language support, is there any trick or way to add not supported languages to Microsoft word like Windows has a program to create keyboard layout for Windows, it would be better if there has an extension or add-ins, and I know vb.net, python and a little of C# programming. Note: I add word list of my language to custom dictionary but it slows down performance when I go to footnote.
来源：https://stackoverflow.com/questions/58570024/how-can-i-build-spell-checker-for-microsoft-office