It’s a pretty common scenario to have to restore a deleted file in Google Drive. Perhaps you deleted the file in error, or you trashed it and discovered later that you need to access it once more. The following method to restore a deleted file in Google Drive is not failsafe, but in many cases it will allow you to quickly bring it back to life. Note that this method works for native Google files (such as documents created in Google Docs, presentations created in Google Slides, spreadsheets created in Google Sheets, etc.) as well as files that were created by other applications or devices–photos, Microsoft Word documents, text files, PDFs, etc.
The video is less than two minutes long: