If you reached this place it means that you are probably looking for answers to the question posed above. The most common problem that hinders our work with file NB is the lack of an installed application. The simplest solution would be to download and install one of the applications for the NB file. (for a specific operating system). In 90% of cases, this step should solve your problem with the NB file.
If, despite the installation of one of the applications, you still have the problem with the NB file, it is probable that your file is not associated with the appropriate application (click here for more information). You can take advice, to which a link is provided in the preceding sentence, or do the following:
If none of the previously described actions brought effect in the solution of the problem with the NB file, there may be another reason. Your NB file can simply be damaged - in this case, you must try to find another version of the NB file, ask your friends to send it again, or download the NB file again from the same source as before. Maybe before there were problems while downloading or copying the NB file, which resulted in this situation.
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