Download DelayLens for Microsoft Excel
Choose the automated Windows installer or the standalone ZIP package. Installs in seconds without requiring administrative privileges.
Windows Setup (.exe)
Automated per-user installer. Registers the add-in for both 32-bit and 64-bit Excel, cleans prior versions, and configures automatic in-app updates.
Standalone Archive (.zip)
Unpacked archive containing DelayLens64.xll, DelayLens.xll, and supporting DLLs for locked corporate IT environments.
System Requirements
| Component | Requirement | Notes |
|---|---|---|
| Operating System | Windows 10 or Windows 11 (64-bit) | Standard workstation and laptop support |
| Microsoft Excel | Excel 2016, 2019, 2021, or Microsoft 365 | Both 32-bit and 64-bit Excel are supported |
| Runtime Framework | .NET Framework 4.8 or higher | Pre-installed on modern Windows installations |
| User Permissions | Standard User (No Administrator needed) | Installs to %LOCALAPPDATA%\Programs\DelayLens |
| Primavera P6 | No local P6 client required | DelayLens parses XER files natively |
Step-by-Step Installation Guide
Close Microsoft Excel
Ensure all running instances of Microsoft Excel are closed before running the setup program to allow registration of add-in library components.
Run DelayLens-Setup.exe
Execute the downloaded installer. It installs for your Windows user profile only, unpacks plain DLLs to disk, and automatically links the add-in into your Excel configuration.
Start Excel & Verify Ribbon
Launch Microsoft Excel. You will see a new DelayLens tab on the Excel ribbon containing the complete analytical suite.
Activate Licence Code
In the DelayLens ribbon tab, locate the About section, click Licence, and enter your 2-month trial code or purchased licence key.
Updating in the Future
You can check for updates directly inside Excel at any time via About > Check for Updates. You can also re-download the latest version from this page whenever needed.