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Open _XLSX online

100% Free _xlsx file Viewer online tools. Free Online _xlsx viewer

Drag & Drop _XLSX file or Browse


Drop file here. 150 MB maximum file size.



No sign-up required. Your files are deleted automatically after 24 hours.


Open _XLSX File

What did you think of your recent _XLSX Viewer/Editor experience?

 4.7 (390 Votes)

Our free _xlsx viewer online tools does not required any registrations and installations on your system, 100% free and online renamed microsoft excel open xml spreadsheet (._xlsx) viewer tool. Open from any device with a modern browser like Chrome, Opera and Firefox.

Best & secure online _xlsx viewer is custom developed tool by Filproinfo.com, all files processing perform on our own dedicated cloud servers under dynamic file system that automatically remove all processed files from our cloud servers after 1 to 24 hours.

Free Online _XLSX Tools & Apps

Access powerful and secure free online _XLSX tools to convert, view, edit, merge, split, and compare _XLSX files — all without installing any software. Our tools support the ._XLSX (Renamed Microsoft Excel Open XML Spreadsheet) file extension and run smoothly in any modern browser.

Select a tool below to explore features and manage your _XLSX files directly from your device with ease.

Related _XLSX File Extensions & Tools

_XLSX default file extension is ._XLSX and other similer related extensions and their tools are:

FAQ

  • ❓ How can I View _XLSX (renamed microsoft excel open xml spreadsheet)?

    First, you need to add a file for Viewer: drag & drop your _XLSX file or click inside the white area for choose a file. Then click the "View" button. It will now allow you to View your _XLSX file.

  • ⏱️ How long does it take to View _XLSX?

    This Viewer works fast. You can View _XLSX in a few seconds.

  • 🛡️ Is it safe to View _XLSX using free Viewer?

    Of course! The download link of _XLSX files will be available instantly after Viewing. We delete uploaded files after 24 hours and the download links will stop working after this time period. No one has access to your files. File Viewing (including renamed microsoft excel open xml spreadsheet ._xlsx) is absolutely safe.

  • 💻 Can I View _XLSX on Mac OS, Android or Linux?

    Yes, you can use free Viewer app on any operating system that has a web browser. Our _XLSX Viewer works online and does not require any software installation.

  • 🌐 What browser should I use to View _XLSX?

    You can use any modern browser to View _XLSX, for example, Google Chrome, Firefox, Opera, Safari.
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This tool and page updated at: 12-Apr-2025




About FileProInfo: FileProInfo is a trusted platform dedicated to file formats and software programs. We provide accurate technical details, easy-to-use navigation, and advanced search capabilities to help users explore, manage, and convert file types efficiently.


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