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1. #How many instances of excel 2016 for mac can youhave open software
2. #How many instances of excel 2016 for mac can youhave open windows

At the very basics, each instance will access the same preferences file, so if you make a settings change in one program and close it, then depending on how that program manages the preferences, if you close the second instance you may simply overwrite the preference changes.īeyond preferences handling, for programs like Mail that use central databases and data stores, you may run into problems if both instances try to act on the same messages or other database resources at the same time. For one, since Apple's paradigm has been to run only one instance, it has built a number of services into OS X that depend on there being only one instance of a program. There may be other reasons to do this as well, but do keep in mind that it's not recommended to bypass the default handling of programs in OS X regularly, as it can result in several problems. Additionally, you can try to load one instance of programs to access the default library but launch another to simultaneously load and manage a secondary library.

#How many instances of excel 2016 for mac can youhave open software

Using this feature departs from the default handling of programs in OS X, but it may be useful in several instances, such as if you are using known buggy software that you need to keep running for one purpose but wish to quickly test in a new situation - if the test setup crashes, then the other should still be running. This command tells the system to open a new instance (the "-n" flag) of an application (the "-a" flag) that is the given name in quotes. Therefore, if you would like to open a second or third instance of a specific program, you'll need to do so via the Terminal command line using the following: While this is how Apple designed OS X to behave, it is actually an appended feature to the Unix-like underpinnings of the OS, where the system supports launching multiple instances of background services and other tasks via the command line. Therefore if you open TextEdit, then by opening the program file in the Finder again, you will simply be switched to the running TextEdit instance, instead of opening another one along side it. On the other hand, in OS X applications are not isolated to a similar window, and instead are treated largely as single-instance programs so only one will launch at a time. If you open the program again then often the system will launch a second instance of this program that runs along side the first, so each can be quit and managed independently. With Windows, each program will generally load in a single window that contains the program's menus and other details, and then be managed in that window.

#How many instances of excel 2016 for mac can youhave open windows

One of the major differences in how applications are handled between Windows and OS X are how the system presents them to you in the user interface.