Use your ID-card electronically, digitally sign documents and encrypt documents for safe transfer.
DigiDoc4 and RIA DigiDoc are free applications designed for using mobile-ID, Smart-ID and ID-card on a computer. With DigiDoc4 and RIA DigiDoc, you can quickly, easily and comfortably sign documents and check the validity of digital signatures, encrypt and decrypt documents, and open, save and share files.
| Publisher | RIA |
|---|---|
| Author | Estonian Information System Authority |
| Version | 26.8.27.8434 |
| Release date | 2026-08-28 |
| License | Proprietary |
| Installer type | burn |
| Architecture | x64 |
| Package ID | RIA.eIDsoftware |
| Install scope | All users |
winget install --id=RIA.eIDsoftware -ewinget upgrade --id=RIA.eIDsoftware -ewinget uninstall --id=RIA.eIDsoftware -e"Open-EID-26.8.27.8434.exe" /quiet /norestartmsiexec /x {EC1170C7-D462-4670-9547-6A1D995CF6AC} /quieteID software can open or be associated with 10 file types:
eID software is proprietary software from RIA. Check the publisher's license terms for pricing and usage rights.
The latest version is 26.8.27.8434, released on Aug 28, 2026.
The download button links to the official installer published on installer.id.ee, the same file Windows Package Manager installs. You can verify the downloaded file by comparing its SHA-256 checksum with ef0154ccf5c2ac461a99804172a088af6898fc5fa909a85e285bf08afc0354b6.
eID software runs on Windows and is available for 64-bit (x64) systems.
Run the offline installer with "Open-EID-26.8.27.8434.exe" /quiet /norestart, or install it with Windows Package Manager: winget install --id=RIA.eIDsoftware -e --silent.
Open Settings › Apps › Installed apps, find eID software and select Uninstall. From the command line, run winget uninstall --id=RIA.eIDsoftware -e.
eID software supports 10 file types, including .adoc, .asice, .asics, .bdoc, .cdoc, .cdoc2, .ddoc, .edoc and more.
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DigiDoc4 is an application for digitally signing and encrypting documents; the software includes functionality to manage Estonian ID-card - change pin codes etc.
The C++ library offering creating, signing and verification of digitally signed documents, according to XAdES and ASiC standards.