It is important, that you check the Keep me signed in checkbox when you enter your password and then choose some page (not notebook!!!, PAGE :) after you logged in, otherwise if will not save your login. If so, then you will be always logged in.
Bump from latest release of NodeJs, NPM and AppImage:
{
"version": "1.2.279-390",
"description": "P3X Onenote Linux",
"corifeus": {
"nodejs": "v9.8.0"
},
"homepage": "https://pages.corifeus.com/onenote",
"dependencies": {
"electron": "^1.8.4",
"configstore": "^3.1.1",
"corifeus-utils": "^1.1.869-311"
},
"devDependencies": {
"corifeus-builder": "^1.7.1254-325",
"electron-builder": "^20.5.1"
}
}