Open XLS3 files

  • Full name
    Microsoft Excel 3 For Mac Spreadsheet
  • Developer
    Microsoft Corporation
Have you encountered a problem with a XLS3 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 XLS3 file here. In the further part of this page we have added a list of programs that should open your XLS3 file. It is enough you choose a proper application for your operating system, download and install it.

What is XLS3 file?

The file extension XLS3 features spreadsheet files of the spreadsheet Microsoft Excel for Mac.

More info

These files contain data in cells organized in columns and rows. In addition, the files may also contain graphics, formulas and macros. Unfortunately, these macros can also contain malicious code, which is why it is advisable, especially for files from unknown sources, to subject them to a virus check before executing the macros.

The default ending for these types of files is xls or since the 2007 version xlsx.

Programs which can open a XLS3 file

How to open file with XLS3 extension?

In order to open a file with XLS3 extension one of the following programs must be installed on user’s system. If a problem with opening XLS3 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 XLS3 files, follow the instructions below.
1
Install Microsoft Excel or other program from the list

Most often resolving problems with opening XLS3 files is very simple. Just install an appropriate program that supports such files. All of the listed programs support XLS3 files, but may vary in offered function and purpose. Some programs may be capable only of viewing contents of XLS3 files or offer file conversion options, but may not be capable of editing such files.

Set Microsoft Excel as the default program for opening XLS3 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 XLS3 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 Microsoft Excel applications is not on the list, select "Browse" option in order to manually locate the directory where Microsoft Excel has been installed.

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Check the section that lists most common problems with XLS3 files

Sometimes problems with opening XLS3 files may not lie with the application itself, but can arise due to other causes, such as:

  • File data is corrupted
  • XLS3 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 XLS3 files (should that be the case, please contact your system administrator or IT specialist)
  • XLS3 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)

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