File Extension Database

Open 1XLS File

Files with the 1XLS extension are nothing more than a renamed XLS file, but preserving the format of a common spreadsheet.

The 1XLS extension corresponds to that of the Excel files in their versions from 97 to 2003, being, then, the XLSX files those of the most modern versions of Excel.

The normal thing is to use the Microsoft application to open them, but being a paid tool, you may want other alternatives.

What is a spreadsheet?

A spreadsheet is a type of document that allows you to manipulate numeric and alphanumeric data arranged in the form of tables made up of cells, which are usually organized in a matrix of rows and columns.

The cell is the basic unit of information in the spreadsheet, where you enter the values and formulas that perform the calculations.

A spreadsheet cell is visually the place where you can enter data or perform calculations.

They are generally rectangular in shape and are formed at the intersection of a row and a column, they are identified by a name, such as A4.

A is the column name and 4 is the row number.

Usually it is possible to carry out complex calculations with formulas and/or functions and to draw different types of graphs.

Spreadsheets allow operations on matrices of 2 or more dimensions, arranged and organized appropriately to facilitate such calculations.

The 1XLS file is a renamed XLS file, and in order to open and use it with a spreadsheet software, it must be registered with said software previously, either through its own secondary menu (right click) or by searching for it through the context from the software menu provided for this purpose.

Software to open and work with a 1XLS file

How Can I Open 1XLS File on Windows

We researched and learned that the best way to open 1XLS file is to find a 1XLS file in question in Windows OS File Explorer and double click on it to launch the corresponding application.
If a 1XLS file is not opened in an application and you instead get a "Windows can't open a file" error message you should try looking for an application which can open the file in question.
If you know the application which can open 1XLS file then run it and see if there is a File->Open main menu option in the application.
If you don't know the application which function as 1XLS file opener then try to search online for "1XLS viewer", "application to open 1XLS file" or "open 1XLS file" queries in the search engine you like.
Install the application you found and check if it can open 1XLS file

How Can I Open 1XLS File on Mac OS

We recommend to find a 1XLS file in question in Mac OS Finder and double click on it to launch the corresponding application.
If a 1XLS file is not opened in a Mac OS application and you instead get a "There is no application set to open the file" error message you can click on "Search App Store" in the error dialog and Mac OS will show you applications compatible with 1XLS file.
If you know the Mac OS application which can work as 1XLS file opener you can choose the "Choose Application..." option in the error box to associate the file extension and open 1XLS file in it.
If you don't know the application which can open 1XLS file then try to search for "1XLS viewer", "application to open 1XLS file" or "read 1XLS file" queries in the online search engine you like.
Install the application you found and check if it can read 1XLS file

How Can I Open 1XLS File on Android

If you downloaded a 1XLS file on Android device you can open it by following steps below:

In the Android apps list on your Android device find "My Files" or "File manager" app and tap to start it.
Tap on "Downloads" folder inside the app.
You should see your downloaded 1XLS file in that folder.
Tap on the file. If Android device supports opening the file you downloaded it will open in the corresponding app.
If file does not open you can look for the corresponding app that can open the file by searching Android App Store for the "1XLS".
If you cannot open the file with the apps from Android App Store it is possible that the file could only be opened on desktop platforms such as Windows or Mac OS. Try searching for "1XLS viewer", "1XLS file reader" online and see if any desktop applications can open it.
It is also possible that the file you downloaded is outdated and is no longer supported.

How to Open 1XLS File on iPhone or iPad

To open 1XLS File on iOS device follow steps below:

We advies to open Files app on your iPhone or iPad device. You can find it by swiping down on the home screen and typing "Files" in the search bar.
Tap on the Downloads folder on the Files app home screen.
You will see all files that you recently downloaded. Tap on the 1XLS file to view it.
If you have the right app that can open it it will automatically launch and open your file.
If you don't have the app which can open it you need to serch Apple app store for "1XLS". This way you can find apps which can open 1XLS files.
If this doesn't help it is possible that your file could be opened only by the desktop application. To find an app which can open it on desktop look for "1XLS viewer" or "1XLS file" online in your favorite search engine.

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