The file creation feature is rolling out over the next few weeks to Pro users, but it's already available for some users.

Performance becomes an issue with large datasets too. A poorly written macro can bog down Excel and take forever to complete, ...

You’ll find it under the Formulas tab, in the Formula Auditing group. Once you open it, just hit Add Watch and select the cells you want to monitor. The pop-up will show you the sheet name, cell ...