Export attendance records. CSV opens in Excel on all devices.
Connect to Google Sheets for cloud storage.
Only use this to load data from Google Sheets (will replace local data).
僅用於首次設定或需要從雲端恢復資料時。
Without cloud: Open this file on each device. Data stays local.
With cloud:
1. Set up Google Apps Script (see guide)
2. Paste the URL above and save
3. Share this file to any phone
4. All devices sync to the same Sheet
iPhone: Safari → Share → "Add to Home Screen"
Android: Chrome → Menu → "Add to Home Screen"