If you are finding email a real chore to manage then this tool MAY help. It’s a free download and will work within Outlook to analyse your email. Once it has analysed everything it takes no processor speed and works transparently alongside Outlook.
It can search your inbox and fins specific people, file and threads, it then shows you a lot of useful information about that person (when they normally send email, who else they send email to, how many you’ve sent them, how long it takes (on average) to get a reply and so on.
There is also an analysis engine that analyses your workflow, it tells you at what time in the day you answer your email, your daily average and so on.
It could provide valuable evidence when discussing work/life balance …