Set Backup Folder › Backup Target Folder in VS Code settings (default: .vscode/fldr-snapshots). Use a plain absolute path without wrapping quotes.
Right-click on a folder in the Explorer.
Select "Backup Folder".
The extension copies the folder into the configured destination (or in .vscode/fldr-snapshots within the workspace) with a timestamp appended.
Settings
Backup Folder › Backup Target Folder: Optional default destination (.vscode/fldr-shapshots) for folder snapshots/backups. Use a plain absolute path without quotes.
Backup Folder › Exclude Folders And Files: When enabled, skips every excluded folders and files during the copy.
Backup Folder › Preserve Folder Structure: When enabled, Preserves the original folder structure in backups.
Backup Folder › Use Local Timestamp: When enabled, uses local timestamp YYYYMMDD-HHMMSS, else uses ISO/UTC timestamp.