Repair your XLS Online

Do you have a document file, such as a XLS file, that will not open correctly? If so, our free-to-use XLS repair tool may be able to help. Our tool analyses the content of your XLS file and is able to determine if the file structure is valid. Our tool will let you know what is wrong with your XLS file and attempt to fix it.

Or drag and drop your files here to upload.
A maximum of 20 files can be uploaded at once.

Please note: Your XLS, once uploaded to our server, will be deleted 15 minutes after upload.
If our tool offers the option to repair your file, please ensure you download the repaired file within this time period.

How to Repair your XLS Online?

Here are 3 simple steps to repair your XLS using our fast and free repair tool.

Upload your XLS

Click the "Select File" button, then select a XLS file. The maximum file size is 100MB.

Analysis and Repair

Your XLS file will be analysed, and our tool will attempt to repair your XLS file if possible.

Repair or Convert your XLS

Select an option to either repair or convert to receive your repaired XLS file.

XLS file format information

Full NameMicrosoft Excel Spreadsheet
Mime Typeapplication/

Repairing a XLS File

XLS File Header Data

XLS files contain a sequence of unique bytes at the beginning of the file. This header section is usually followed by the main XLS file section. Where the header block is present, our document repair tool will parse the header data to validate the file type and also provide additional metadata that describes key characteristics of the document uploaded.

Frequently Asked Questions

Is it free to use the XLS file repair tool?

Yes! Our XLS repair tool is 100% free to use.

Are there any usage limits when repairing my XLS file?

No, you can repair as many files as you wish. We do not have any limits when using our XLS repair tool.

How long does it take to repair my XLS?

We aim to process XLS repairs as quickly as possible; this usually takes around 5 seconds; however, this may be longer depending on the file size and data needed to be repaired.

What does the XLS repair process involve?

Once your XLS has been selected, it will undergo some initial checks to verify that the file has some basic information. If the initial checks pass, we then upload the file to our servers for more detailed analysis.

Is it safe to repair my XLS on

Yes, of course it is! Your XLS, once repaired, is deleted 15 minutes after upload, and any download link will expire after this time.

Can I repair my XLS on Windows, Linux, Android, iOS or Mac OS?

Yes! Our XLS repair tool will run on any system with a modern web browser.