Recently started using mail merge.
Combined it with some vba scripting(didn’t learn it well, just found some scripts on the net and modified them a bit) so that I could get pdf files for emailing by clicking a macro button from an excel sheet.
Also, go to use the info about the keyboard mouse right click button when someone’s Right Mouse Button was not working. https://www.online-tech-tips.com/wp-content/uploads/2020/04/Windows-Right-Click-Button.jpg
I mentioned only computer things because of recency, but please do share your experiences in other topics too.
This may seem basic, but I think some people really need it. I have a hard time remembering things like birthdays and such. So I make sure to add people’s birthdays into their contact info on my phone. Then it will show up on my calendar as a different color and I can see it coming up and actively try to be on top of it instead of it passing and feeling guilty for forgetting. Maybe you don’t care about everyone’s birthday in your life, but I at least try to add my friends and family so I can reach out to them or try to remember to send a gift to little ones that are far away, etc.