Using the right tool for the job you're trying to accomplish will make you feel incalculably better about doing the things you need to do ... and make your colleagues feel incalculably better about using technological tools to work with you.
Many of the tools listed below are part of Google Workspace. Some are part of Microsoft Office. If you're not sure what the difference is, visit the terminology page on this site.
... use Google Drive
... open Google Drive File Stream in your operating system's file manager or visit Google Drive in a browser window
Just you? Use Microsoft Word, Excel, PowerPoint
You and others? Use Google Docs, Slides, Sheets
Just you? Use Microsoft Excel
You and others? Use Google Sheets and Forms
One colleague? Use Google Chat (or a phone call)
Many colleagues? Use Google Meet or Google Rooms
... use Google Meet
(Wait, don't we use Zoom? Like for webinars or breakout rooms?)... use Google Shared Drives or Google Rooms
... use Google Calendar