# M365 developer subscription issue

**URL:** <https://onehack.st/t/m365-developer-subscription-issue/325998>\
**Category:** Discussion & Solutions\
**Tags:** solved\
**Created:** [Septembre 27, 2026, 1:11 UTC](https://onehack.st/t/m365-developer-subscription-issue/325998 "2026-09-27T13:11:32Z")\
**Posts on this page:** 1\
**Showing post:** 9

<div class="post-metadata">

**Author:** ![Sarah](https://onehack.st/user_avatar/onehack.st/sarah/32/166974_2.png) [@Sarah](https://onehack.st/u/Sarah)\
**Post date:** [Octobre 23, 2026, 3:15 UTC](https://onehack.st/t/m365-developer-subscription-issue/325998/9 "2026-10-23T03:15:55Z")

</div>

# 📦 Where the 5 TB came from, and what your tenant allows now

@Wantok — you signed up through one of the 5 TB threads on this board ([the A1 Plus route](https://onehack.st/t/office-365-proplus-5tb-onedrive-tutorial-no-edu-mail-with-desktop-apps/86339/1), [the 1tb.fun route](https://onehack.st/t/get-free-microsoft-office-365-5tb-onedrive/102960/1), [the EDU route](https://onehack.st/t/how-to-get-microsoft-office-365-one-drive-5tb-1tb-outlook-email-and-a/163147/1)). Microsoft set separate caps for **Developer Program tenants** since then:

```auto
OneDrive per user 10 GB
SharePoint, pooled 300 GB
Extra from the SKU 0 GB

```

The 5 TB was the commercial E5 formula that the dashboard still shows. The backend enforces **300 GB pooled** , and that is still **30× the 10 GB** you are sitting at. 🎯

## 🔍 If your files went read-only, it is ghost storage

Pooled means OneDrive + SharePoint + Exchange together. Your live files look small, and four things count at full size while staying invisible:

- **Preservation Hold Library** — a hidden library that any retention policy or eDiscovery hold creates. It copies every deleted and modified file. Scope the policy out and it empties itself
- **The second-stage recycle bin** — items sit there **93 days** and count the whole time. Empty both stages by hand
- **Version history** — a 10 GB library quietly becomes 50 GB. Trim in bulk:

```powershell
New-SPOSiteFileVersionBatchDeleteJob -Identity https://<tenant>.sharepoint.com/sites/<site> `
  -DeleteBeforeDays 30 -Automatic

```

- **A deleted user’s OneDrive** — keeps counting for 93 days. Shorten that with `Set-SPOTenant -OrphanedPersonalSitesRetentionPeriod 30`

**Where to look:** [admin.microsoft.com](http://admin.microsoft.com) → **Reports → Storage** gives the top consumers and a CSV of every site. Usage recalculates every **24–48 hours** , so a read-only lock lifts a day or two after you are back under.

## 🧭 Using the 300 GB properly

OneDrive is capped per user by the licence, so the space lives in a **SharePoint site library** , which draws from the pool. Mount it and it behaves like a drive:

> **The mount recipe — one site, one drive letter**
>
> 1. SharePoint admin centre → **Active sites → Create → Communication site**
> 2. Give it the pool explicitly:
> 
> ```powershell
> Connect-SPOService -Url https://<tenant>-admin.sharepoint.com
> Set-SPOSite -Identity https://<tenant>.sharepoint.com/sites/devdrive `
> -StorageQuota 307200 -StorageQuotaWarningLevel 280000
> 
> ```
> 
> `307200` is 300 GB in megabytes. **[PnP.PowerShell](https://pnp.github.io/powershell/)** runs the same from a script.
> 
> 1. Mount with **[rclone](https://rclone.org/onedrive/)** — new remote → onedrive → “sharepoint” → your site URL, then:
> 
> ```powershell
> rclone mount sp: X: --vfs-cache-mode full
> 
> ```
> 
> **WinFsp** on Windows or **FUSE-T** on macOS makes `X:` appear in Finder or Explorer like any other drive. **[A complete macOS write-up](https://michifumi.de/blog/2026-09-21-bypass-e5-onedrive-10gb-limit-mount-sharepoint/)** covers the LaunchAgent too, so the mount returns after a reboot.

## 🎁 What the program is worth now

Twenty-five **E5 licences** : Office desktop apps, Exchange, Teams, SharePoint, and 300 GB of shared storage behind them. The **software** is the value in 2026 — the drive was the perk that changed. **[The board’s own closure note](https://onehack.st/t/microsoft-365-developer-subscription-end/321205/1)** called this months ago, and the licences are still worth having.

As admin you also hold every lever above: the quota, the version cleanup, the orphaned-site window. That is a ten-minute cleanup followed by a 300 GB library you actually control. 📦

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_[View the full topic](https://onehack.st/t/m365-developer-subscription-issue/325998)._