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LETSIGNIT application: Technicals requirements
LETSIGNIT application: Technicals requirements

LETSIGNIT application: Technicals requirements verifications.

Kévin Joffray avatar
Written by Kévin Joffray
Updated over a week ago

In order to benefit from your signatures on Outlook Desktop, we suggest you to install the LETSIGNIT application.

Please find below all the technical requirements for its installation:

Operating systems compatibility

Windows application version

  • Windows 7 or later.

  • Office 2010 or later, not compatible with Microsoft Office Store version.

  • Net. Framework 4.5 or higher. (Installed by default in Windows 10)

Mac Os application version

  • Mac OS Mojave (version 10.14) or later.

  • Office 2016 or later.

Application without automatics updates version (RDS)

  • Windows Server 2008 R2 or later.

  • Office 2010 or later.

  • Net. Framework 4.5 or higher. (Installed by default in Windows 10)

Compatibility Charts

Windows / Office

Mac OS / Office

Connection and using the LETSIGNIT application

2 URLs must be accessible for the application to work as expected:

All requests to these 2 URLs should not be subject to SSL decryption (if your security does 'Man-In-The-Middle' and/or SSL decryption and/or Java inspection) as the requests are formatted with a certificate specific to Letsignit infrastructures.

It is possible that "Google Analytics" URLs are also consulted as part of the "anonymous statistics tracking" concerning the application's utilisation.

  • %APPDATA% and %LOCALAPPDATA% folders availability: Read + Write.

Windows registry access for the user

.EXE application version - User session

Access to the Windows registry is required for the following keys:

  • HKEY_CURRENT_USER : (Read + Write)

-\SOFTWARE\Microsoft\Office\

-\SOFTWARE\Microsoft\Windows NT (if Outlook 2010 or 2007)

  • HKEY_CLASSES_ROOT : (Read only)

-\Outlook.Application\CurVer

-\CLSID\{00020D09-0000-0000-C000-000000000046}\LocalServer32

  • HKEY_LOCAL_MACHINE : (Read only for Google Analytics)

-\SOFTWARE\Microsoft\Cryptography

  • Application customization

-\SOFTWARE\LetsignitApp\Setup

Version without automatic updates (.MSI / RDS)

When installing this version without automatic updates, three registry keys are created:

The first is in "RunOnce" in the HKEY_LOCAL_MACHINE section so that each user has the application running. After this execution the application resumes its usual behaviour and manages its "Run" in the HKEY_CURRENT_USER.

  • HKEY_LOCAL_MACHINE:

-\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce" Name="LetsignitApp" Type="string"

Value="[APPLICATIONROOTDIRECTORY]Letsignit App.exe --standalone-install"

The two following ones are used to create shortcuts: they are "KeyPath" keys that indicate to the computer that a component is installed.

They are deployed in the HKEY_CURRENT_USER of the user who installs the .MSI.

The first shortcut is on the user's desktop and the second in the programs.

  • HKEY_CURRENT_USER :

-\SOFTWARE\Letsignit\LetsignitApp" Name="desktopShortcut" Type="integer" Value="1”

-\SOFTWARE\Letsignit\LetsignitApp" Name="appShortcut" Type="integer" Value="1”

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