Single-user mode limits access to your company file to one person at a time.
If other people are working in the file, they must close the file or exit
QuickBooks before you can switch to single-user mode.
Some tasks can only be done in single-user mode. These include:
File operations such as backing up, cleaning up, or exporting data
Some types of changes to lists (deleting a list item, for example)
Activities involving Accountant's Copy
Some types of setup tasks (setting up finance charges, for example)
If you are working in multi-user mode and try to do something that can only
be done in single-user mode, QuickBooks warns you that you need to switch
Switching to single-user mode also makes time-consuming tasks go faster. For
example if you have some big reports to run, you can create them faster in
Any time other people don't need access to your company file. If you
need to work in single-user mode for an extended period of time, you might want
to do it when other people aren't in the office, such as early in the
morning or at the end of the day.
Learn more about the multi-user feature available in QuickBooks Enterprise Solutions.
Switching to single-user mode