Frequently Asked Questions (FAQ) ← Knowledge Base How much storage space does the TSheets mobile app use? How much battery power does TSheets use? How much data does the TSheets app use? Where in the world does TSheets work? Which internet browsers can I use to access TSheets? Does TSheets keep track of my time when I'm not signed in? Will TSheets work on my PC? Does TSheets work on a Mac? How long will TSheets store my timesheet data? How do I change jobs during a shift? What happens if someone forgets to clock out? I am interested in the Text Message add-on, but I don't live in the U.S. or Canada. Any suggestions? I have questions about TymeShift I forgot my username, how can I retrieve it? Why isn't my time zone correct? I set up job codes, why can't I clock in under them? How do I add a timesheet for an employee? I accidentally deleted a job code, can I get it back? Why won't TSheets Touch let me past the sign-in screen? Is there a limit on job code character length? How secure is TSheets? Why isn't the Time Slider saving my employee list? Why am I getting an authentication error when I try to export my timesheets? Why don't I see any crew members on my TSheets App? What's a TSheets ProAdvisor?