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Installation

Installing OnePager, or troubleshooting an existing installation.

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Reinstalling OnePager After Switching from 32-bit to 64-bit Office
OnePager Express is not showing up in Excel
How do I request a replacement download?
OnePager Pro is not showing up in Project
Warning about OnePager not installing because it may be unsafe
OnePager Pro Read Me
OnePager Express Read Me
How do I upgrade my OnePager software?
OnePager Add-in is Disabled by System Administrator
Error Message When Installing OnePager Express
Error Message When Installing OnePager Pro
How Microsoft Project Finds the OnePager Pro Add-In
How Microsoft Excel Finds the OnePager Express Add-In
Manually Removing OnePager
Temporarily Disabling OnePager Add-In
Installing an Upgraded Version of OnePager (Advanced IT Instructions)
Cannot unzip the downloaded installation file
Re-enabling OnePager Express Add-In in Microsoft Excel 2010/2013/2016/2019
Re-enabling OnePager Express Add-In in Microsoft Excel 2007
Re-enabling OnePager Express Add-In in Microsoft Excel 2003
Verifying Installation of OnePager Express in Windows Vista, Windows 7, Windows 8, or Windows 10
Verifying Installation of OnePager Express in Windows XP
Installing OnePager in a secure or classified environment (SCIF)
Launching OnePager from Desktop vs. Add-In
Installing OnePager on a per-user or per-machine basis
Re-enabling OnePager Pro Add-In in Microsoft Project 2010/2013/2016/2019
Re-enabling OnePager Pro Add-In in Microsoft Project 2003/2007
Verifying installation of OnePager Pro in Windows Vista, Windows 7, Windows 8, or Windows 10
Verifying installation of OnePager Pro in Windows XP