Project Plan 365 opens and saves any plan created in the popular Microsoft Project planning tool, without import or export, allowing MS Project users to collaborate with you seamlessly.
Publisher’s description
What is Project Plan 365?
Project Plan 365 is a proprietary program for Windows from Housatonic.
Installation and requirements
Official installers exist for 64-bit and 32-bit as MSI. The main installer is 28.1 MB. Installation asks for administrator rights. The installer supports unattended (silent) installation. An MSI package is available for deployment with Group Policy, Intune or Configuration Manager.
Updates and version history
The current version is 26.24.1294, released on June 30, 2026. 5 versions are listed since April 30, 2024, each with links to its own installer files. That is about 2.3 releases a year.
Popularity and file types
On Windows it registers 1 file type, including .mpp.
Pros / Cons
Pros
- MSI package for managed deployment
- Documented silent install
Cons
- Proprietary licence: check the terms and price
- No native ARM64 build
- Installation needs administrator rights
In short: Project Plan 365 is a Windows tool for 64-bit and 32-bit PCs. Administrators can deploy it unattended.
Is Project Plan 365 safe to download?
- The file is served by projectplan365.com, the publisher’s own domain
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
EDBEB4D6AE5875791D6DFFCEEF87CB9D55781380E792C9CC5C64FD5392EAD8F3· Open the VirusTotal report for this hash - The link answered when we last checked it (October 22, 2026)
- ExeAtlas does not host, wrap or modify installers
Related guide: How to check a file’s SHA256 hash on Windows
Recent versions
All 5 versions ›5 versions over 2 years · about 2.3 a year
| Version | Date | Size | Files |
|---|---|---|---|
| 26.24.1294Latest | June 30, 2026 | 28.1 MB | 64-bit MSI32-bit MSI |
| 26.11.1292 | April 21, 2026 | — | 64-bit MSI32-bit MSI |
| 25.54.1289 | October 7, 2025 | — | 32-bit MSI64-bit MSI |
| 25.31.1285 | July 15, 2025 | — | 32-bit MSI64-bit MSI |
| 24.17.1256 | April 30, 2024 | — | 64-bit MSI |
Install from the command line
Silent install ›winget install --id Housatonic.ProjectPlan365 -emsiexec /i ProjectPlan_365_PC_26.24.1294.msi /qn /norestartmsiexec /x {5F011281-7E4B-4754-9D7D-0E280421EFFD} /qn /norestartRelated guide: How to use winget: install and update apps
Information
- Publisher
- Housatonic
- Licence
- Proprietary
- Price
- See the publisher’s site
- Requires
- Windows 11 / 10
- Architecture
- 64-bit, 32-bit
- Installer
- MSI
- Version
- 26.24.1294
- Released
- June 30, 2026
- Added to the catalogue
- April 30, 2024
- Versions listed
- 5
- Updates / year
- 2.3
- Website
- projectplan365.com
- winget ID
- Housatonic.ProjectPlan365
- MSI product code
- {5F011281-7E4B-4754-9D7D-0E280421EFFD}
File types it opens (1)
Ratings and reviews
No reviews yet. Be the first to rate it.
Frequently asked questions
Is Project Plan 365 free?
Project Plan 365 is proprietary (closed-source) software (licence: Proprietary). Whether it costs money depends on the edition: check the publisher’s site for prices and free tiers.
Is Project Plan 365 safe to download?
The download comes from projectplan365.com, which belongs to the publisher; ExeAtlas does not host or change the file. Compare its SHA256 hash with the one shown here, or open the VirusTotal report for that hash.
How do I install Project Plan 365 with winget?
Open PowerShell or Windows Terminal and run the winget command shown on this page. winget downloads the official installer and checks its SHA256 hash before running it.
Can Project Plan 365 be installed silently?
Yes. The silent install page lists the exact command for each installer, including msiexec for the MSI package.
Does Project Plan 365 run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 64-bit and 32-bit version through emulation.
Where can I download an older version of Project Plan 365?
The versions page lists all 5 versions with links to their official installer files, back to April 30, 2024.