Coming SoonFree editionOutlook & Microsoft 365

Outlook Doctor

Fixes the Outlook that will not start, keeps asking for a password, hangs on 'Loading profile', loses search, or takes a minute to open: profile and OST checks, Autodiscover and connectivity tests, add-in timing, credential and token clean-up, search index repair, classic-versus-new Outlook state, with each fix explained and reversible.

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The problem

Outlook problems are the single most common help-desk ticket, and the fixes are folklore: delete the OST, make a new profile, clear credentials, run scanpst, disable add-ins one by one, run SaRA. Microsoft's Support and Recovery Assistant is being retired scenario by scenario, new Outlook has different plumbing from classic, and people reinstall Office for problems that take one setting to fix.

Features

Diagnosis first: profile and account state, OST size and health, Autodiscover and Exchange connectivity tests, token and credential state (WAM, Credential Manager), add-in load times and crashes from the event log, Windows Search index state, mailbox quota, and whether classic or new Outlook is the one in use
Fixes matched to the diagnosis and explained in a sentence: repair the OST, rebuild the profile with accounts carried over, clear stale tokens, disable the slow add-in, rebuild the search index for Outlook only, reset the new Outlook toggle, fix the signature and template folders; each fix reversible and logged
Password-prompt loop and 'disconnected' states traced to the cause (MFA token, modern authentication off, proxy, conditional access, time skew) with the exact next step
Mailbox and profile report for IT with every version, size, add-in and setting, exportable before and after

How it works

Checks

Profile registry, accounts, OST location and size, cached mode window
Autodiscover v2 and Graph connectivity, token state through the Web Account Manager
Add-in load times from Outlook's own records and crash events
Windows Search Outlook catalogue state and indexing backlog

Fixes

Each fix previews what changes and makes a restore point of the profile and settings
OST repair and rebuild with a progress and keep-awake, never a blind delete

Who it is for

Sales rep

Password prompt every hour

Stale tokens from an old account in the Web Account Manager; cleared in a minute, no profile rebuild.

Office worker

Outlook takes two minutes to open

One add-in takes 90 seconds to load; disabled, reported to IT, Outlook opens in four seconds.

Paralegal

Search finds nothing after June

The Outlook catalogue in Windows Search is stuck; rebuilt for Outlook only, overnight, with progress.

Benefits

A diagnosis instead of a reinstall
Password loops and hangs traced to their cause
Fixes that are explained and reversible

Built to be trusted

Diagnosis before any fix; every fix reversible
Profiles and settings backed up before changes
Mail data is never deleted by a fix; OST rebuilds re-download from the server

Good to know

Some problems are on the server or in the tenant (licence, conditional access, quota) and can only be reported, not fixed from the PC. New Outlook keeps less on the PC and gives fewer handles to fix; the tool says when the right step is to switch back to classic or to contact the administrator. Rebuilding an OST re-downloads the mailbox, which takes time on a slow line.

Under the hood

For technical readers

Profile and MAPI APIs
Windows Search, Event Log, Credential Manager and WAM
Autodiscover and Graph tests; Reports

Works well with

Coming SoonPro edition

Mailbox Compromise Check

Outlook & Microsoft 365

Answers 'is someone else in my mailbox?' for a Microsoft 365 account.

Coming SoonPro edition

Outlook Rules Manager

Outlook & Microsoft 365

Every rule in every mailbox in one place, server-side and client-only, including the hidden ones Outlook never shows, each one verified.

Coming SoonFree edition

Printer Doctor & Print Studio

System & diagnostics

Printers that work and printing that costs less.

Coming Soon

Notify me when Outlook Doctor is ready

Outlook Doctor is planned for a later release. Leave your e-mail address and we will write once when it becomes available. We ask you to confirm your address first, and you can unsubscribe at any time.

Questions now? Contact our team.