File Extension Database

Open XLSX File

File extension XLSX is the file format used by Microsoft Excel 2007 or later to store Excel workbook information. XLSX file format is based on Open XML standard introduced by Microsoft in 2007. XLSX is a default file format for all versions of Microsoft Excel starting from 2007. XLSX file format is based on ECMA-376 and ISO/IEC 29500 standards.

You can open XLSX file in Microsoft Excel 2007 or later. If you need to open it in a version of Microsoft Excel prior to 2007 you can choose "File->Save As" from Excel menu and choose "Excel 97-2004 Workbook (.xls)" format.

If you'd like to transfer XLSX file to a computer which doesn't have Microsoft Excel installed to it you can use Microsoft Office 365 online editing functionality.

1) From your Microsoft Excel application save your document to OneDrive disk.

2) On your other device go to https://office.com and login with your Microsoft account.

3) Choose Excel online app and select "Open from OneDrive" option.

4) Choose the file you saved on OneDrive

If you need to open your XLSX file on iOS device you can use following steps.

1) From your Microsoft Excel application save your document to OneDrive disk.

2) On your iOS device install Microsoft Excel app from the app store.

3) Open Microsoft Excel app.

4) Choose the file you saved on OneDrive.

Typical XLSX application file locations:

C:\Program Files (x86)\Microsoft Office\Office12\EXCEL.EXE /e
"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde

Typical XLSX mime types:

application/vnd.openxmlformats-officedocument.spreadsheetml.sheet

Frequently used application names to open XLSX files:

Microsoft Office
Microsoft Office - Office14

Frequently associated Windows objects:

Excel.Sheet.12

How Can I Open XLSX File on Windows

We researched and learned that the best way to open XLSX file is to find a XLSX file in question in Windows OS File Explorer and double click on it to launch the corresponding application.
If a XLSX 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 XLSX 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 XLSX file opener then try to search online for "XLSX viewer", "application to open XLSX file" or "open XLSX file" queries in the search engine you like.
Install the application you found and check if it can open XLSX file

How Can I Open XLSX File on Mac OS

We recommend to find a XLSX file in question in Mac OS Finder and double click on it to launch the corresponding application.
If a XLSX 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 XLSX file.
If you know the Mac OS application which can work as XLSX file opener you can choose the "Choose Application..." option in the error box to associate the file extension and open XLSX file in it.
If you don't know the application which can open XLSX file then try to search for "XLSX viewer", "application to open XLSX file" or "read XLSX file" queries in the online search engine you like.
Install the application you found and check if it can read XLSX file

How Can I Open XLSX File on Android

If you downloaded a XLSX 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 XLSX 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 "XLSX".
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 "XLSX viewer", "XLSX 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 XLSX File on iPhone or iPad

To open XLSX 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 XLSX 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 "XLSX". This way you can find apps which can open XLSX 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 "XLSX viewer" or "XLSX file" online in your favorite search engine.