Proprietary expense-report exchange file used by Utlagg.se for importing and exporting travel and expense claims
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UTLAGG files are proprietary data files used by Utlagg.se, a web application from Evdelion for creating, submitting, approving, and archiving expense reports and travel expense claims.
These files are intended to be exchanged with the Utlagg.se service through a supported web browser. They are not normally designed to be opened or edited directly in a text editor or general-purpose office application.
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Date updated: October 30, 2026
The .utlagg format is used for transferring expense-report information between a user's local computer and the Utlagg.se web application. Depending on the operation, an exported file may contain information needed to preserve or re-import an expense report or travel claim.
The exact internal structure and encoding are proprietary to Evdelion and are not generally documented as a public interchange standard. Consequently, changing the file extension or modifying the file contents can make the data unusable or prevent successful import.
Files are typically created through an export function in Utlagg.se and consumed through its corresponding import function. They may support workflows involving report preparation, submission, approval, and archiving, but the available operations depend on the account, application configuration, and current service version.
Because Utlagg.se is browser-based, the format is usable on systems that can run a supported web browser, including Windows, macOS, and Linux. No known general-purpose standalone .utlagg editor or viewer is required or normally supplied; access is provided through the web application.
To open or use a .utlagg file, sign in to Utlagg.se in a supported web browser and select the application's import function. Choose the file when prompted and follow the on-screen instructions. The file may only be usable in the organization or account for which it was created.
There is generally no separate Windows, Mac, or Linux program that opens this format directly. If the file does not import, obtain a fresh export, verify that it has not been renamed or altered, and contact the Utlagg.se administrator or Evdelion support. Avoid opening or editing it with a text editor or archive utility.
Utlagg.se should be used for any supported conversion or re-export. After importing the file, use the application's available export options to produce another supported representation, such as a report or document format offered by the service. The available output formats may vary by account and configuration.
There is no generally established desktop or online converter for the proprietary .utlagg format. Uploading expense data to an unrelated online conversion service may expose confidential financial or personal information and is not recommended. Do not rename the extension as a conversion method; instead, use Utlagg.se's import and export functions or request assistance from the service administrator.
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