# Excel XLSX
> Excel XLSX file localization
URL: https://store.crowdin.com/xlsx-excel
Category: File Formats
Type: System
Author: Crowdin
Excel XLSX is a natively supported file format, you can use it without an additional installation. Just upload it to your projects and start the localization.
## File Format Details
| Attribute | Value |
| --------- | ----- |
| File Extension | .xlsx, .xltx, .xls |
| [API Type](https://developer.crowdin.com/api/v2/#operation/api.projects.files.post) | xlsx |
| Source can be edited in Crowdin | Yes |
| Generating translated files via [Bundles](https://support.crowdin.com/bundles/) | [Search Crowdin Store](https://store.crowdin.com/tags/string-exporter) |
| Supports pluralization | No |
| WYSIWYG Preview in the editor | No |
| Supported types of contextual information | Text comments, Screenshots |
| Custom attributes | Yes |
| Existing translations import possibility | Key-value mapping |
## Sample File
| String ID |
Source text |
Translation |
Context |
Max.length |
Labels |
| 1 |
String for translation 1 |
Chaîne pour la traduction 1 |
Context for string 1 |
40 |
mobile_app |
| 2 |
String for translation 2 |
Chaîne pour la traduction 2 |
Context for string 2 |
40 |
website |
| 3 |
String for translation 3 |
Chaîne pour la traduction 3 |
Context for string 3 |
40 |
emails |
**XLSX Multilingual**
| String ID |
Source text |
French |
German |
Italian |
Context |
Max.length |
Labels |
| 1 |
String for translation 1 |
Chaîne pour la traduction 1 |
Zeichenfolge für die übersetzung 1 |
Stringa per la traduzione 1 |
Context for string 1 |
40 |
mobile_app |
| 2 |
String for translation 2 |
Chaîne pour la traduction 2 |
Zeichenfolge für die übersetzung 2 |
Stringa per la traduzione 2 |
Context for string 2 |
40 |
website |
| 3 |
String for translation 3 |
Chaîne pour la traduction 3 |
Zeichenfolge für die übersetzung 3 |
Stringa per la traduzione 3 |
Context for string 3 |
40 |
emails |
## Translating Excel XLSX
**Custom Attributes**
Max. Length for the translated string could be set as a number in a dedicated column (e.g., "Max.length").
Labels for the string could be added in a dedicated column (e.g., "Labels")
**Comments**
Comments for the string could be added in a dedicated column (e.g., "Context").