Open THEATER files

  • Full name
    IMovie Theater Library
  • Developer
    Apple, Inc.
Have you encountered a problem with a THEATER file? Don’t you know which program opens a file with this extension? You will find all the information you need about working with a THEATER file here. In the further part of this page we have added a list of programs that should open your THEATER file. It is enough you choose a proper application for your operating system, download and install it.

Programs which can open a THEATER file

How to open file with THEATER extension?

In order to open a file with THEATER extension one of the following programs must be installed on user’s system. If a problem with opening THEATER file occurred, it is highly possible that none of the listed programs is present on user’s system. Even if one or more said programs are installed, there may be issues related with given programs. In order to solve a problem with THEATER files, follow the instructions below.
Install iMovie or other program from the list

Most often resolving problems with opening THEATER files is very simple. Just install an appropriate program that supports such files. All of the listed programs support THEATER files, but may vary in offered function and purpose. Some programs may be capable only of viewing contents of THEATER files or offer file conversion options, but may not be capable of editing such files.

Set iMovie as the default program for opening THEATER files

It is possible that although a compatible program has been installed on user’s system, it is not used by the system to open it. This may happen because no default application was associated with this type of files. To associate THEATER files with given application, select "Open with" from drop-down menu (accessed by right-clicking on the file). Then select from the list the program or application you want to be used to open this type of file. If the iMovie applications is not on the list, select "Browse" option in order to manually locate the directory where iMovie has been installed.


Check the section that lists most common problems with THEATER files

Sometimes problems with opening THEATER files may not lie with the application itself, but can arise due to other causes, such as:

  • File data is corrupted
  • THEATER files has been not been completely download from the internet (only a part of the data has been downloaded)
  • Currently used user account hasn’t been granted necessary privileges to open THEATER files (should that be the case, please contact your system administrator or IT specialist)
  • THEATER file was being copied from a corrupted storage device and is incomplete or data is corrupted. (Copying files from unknown or untrusted sources should be conducted with great care as such files may contain malicious software, which can damage your system)