I need help here...

I’m trying to make my first product, its a Resume… I wanna make customers easy way to edit document… Ai. file, PSD. and Doc. / Docx. But i have problem with Doc./Docx file… When i make it and try to open it up in Word, it became messed up… I have really small amount of knowledge about Microsoft Office, so i tryed to find something on internet, but nothing can help me… I have free version of office, so im opening files in browser, if that affect something…

good day, sickloadz!
Mb it’s because of versions… I mean if you create document in Microsoft Word and then try to open in google docs it will be broken. Same scenario in a reverse order. Try to use google docs.
If you have another problem let me know in details, I will try to give you better advice.