# XLS file reading

**URL:** <https://connective.celigo.com/t/xls-file-reading/5302>\
**Category:** Integrator.io\
**Tags:** import\
**Created:** [August 18, 2025, 3:48am UTC](https://connective.celigo.com/t/xls-file-reading/5302 "2025-08-18T03:48:39Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![tharakaathukorala](https://avatars.discourse-cdn.com/v4/letter/t/ecb155/32.png) [@tharakaathukorala](https://connective.celigo.com/u/tharakaathukorala)\
**Post date:** [August 18, 2025, 3:48am UTC](https://connective.celigo.com/t/xls-file-reading/5302/1 "2025-08-18T03:48:39Z")

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Hi,

Is it possible to read an **XLS** file from Celigo?

Even though the file parse export has XLSX, the preview data is populating.

 ![](https://us1.discourse-cdn.com/flex001/uploads/celigo/original/2X/b/bbd6bb2ca9ee8a80908778513dc59eeb70f46bbd.png)

It seems like XLS is supported, and once the actual flow runs, we encountered the error below.

> Read failed for Admin new Jan 2024-May 2025.xls. Details: invalid signature: 0xe011cfd0

I need to read an XLS file from Celigo and push the data into a destination application.

Thanks.

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**Author:** ![tylerlamparter](https://sea1.discourse-cdn.com/flex001/user_avatar/connective.celigo.com/tylerlamparter/32/9204_2.png) [@tylerlamparter](https://connective.celigo.com/u/tylerlamparter)\
**Post date:** [August 18, 2025, 10:26pm UTC](https://connective.celigo.com/t/xls-file-reading/5302/2 "2025-08-18T22:26:49Z")

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We don’t support XLS files at this time. Are you able to get the file in any other way (like CSV)?

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**Author:** ![tharakaathukorala](https://avatars.discourse-cdn.com/v4/letter/t/ecb155/32.png) [@tharakaathukorala](https://connective.celigo.com/u/tharakaathukorala)\
**Post date:** [August 22, 2025, 9:13am UTC](https://connective.celigo.com/t/xls-file-reading/5302/3 "2025-08-22T09:13:08Z")

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Hi Tyler,

We used an external service to convert the XLS file into a CSV. Then Celigo is able to read the converted CSV file and process data.

Thanks for the reply.
