Touching base email subject

Here are some examples of "touching base" email subject lines:

1. Touching Base on [Project/Topic]
2. Quick Update: [Project/Topic]
3. Checking in on [Project/Topic]
4. Touching Base on Our Progress
5. Brief Update: [Project/Topic]
6. Just Wanted to Touch Base
7. Following Up on [Project/Topic]
8. Keeping You Informed: [Project/Topic]
9. Touching Base on Our Current Status
10. Just a Quick Check-In

Remember to keep your subject line concise and clear, and make sure it accurately reflects the content of your email.