How To - Restore A File From The SharePoint Recycle Bin

Open Microsoft Teams and navigate to your department Team
Choose the Files tab at the top-middle of the window - not the left side button
Click on the "Open In SharePoint" button
Look for the Recycle Bin for your document library
Scroll or search for the file that you want to restore from the Recycle Bin and click the small dot circle to the left of the file and then click "Restore" at the top of the window