RE: Increment the field value daily
Hi,
There's not a great way to do it in 2011. With CRM 2015+ you would use a calculated field for this but that's not available in 2011.
There are a few ways to handle this, but I think it's important to know the business case. Does it really need to be updated every day? Does it matter if it's up to a week out of date? If it's an individual's age, does 37 years, 4 months and 5 days really matter?
If you want a field for an end user to see on the form, I would do it with a web page embedded on the form in an IFrame. Your page will do the calculation, so somebody will always see up to date information.
If you NEED a field with the actual value, you'll need some external service that runs every day and updates the records (you could try to do it with workflows that launch themselves as child workflows but that's super susceptible to failure).
Hope this helps! I'd appreciate if you'd mark this as Answering your question.
Thanks,
Aiden