Is Microsoft 365 tax deductible?

Yes — for the business-use portion. Microsoft 365 can be deductible for business email, documents, spreadsheets, meetings, storage, and other work. Mixed personal use should be allocated reasonably.

On this page: Short answer · Personal vs Business plans · Which apps generate the deduction · Mixed personal use · Schedule C · Example · Records · Related lookups · IRS sourcesFAQ

Short answer

Yes, for the business-use portion. Microsoft 365 can be deductible when used for business email, documents, spreadsheets, meetings, storage, or other business tasks.

A dedicated Business account may be 100% business use; Personal or Family subscriptions may require a reasonable business-use allocation.

Recommended for small businesses

FreshBooks — Track Microsoft 365 and all software subscription costs

Categorize monthly or annual Microsoft 365 charges as business expenses throughout the year so your Schedule C deductions are organized at tax time.

Microsoft 365 plans: What matters for the deduction

Plan typeTypical useDeduction
Business BasicBusiness email, web/mobile apps, cloud servicesBusiness-use portion
Business StandardBusiness services plus desktop appsBusiness-use portion
Business PremiumBusiness suite plus added security/device featuresBusiness-use portion
Personal or FamilyCan include both personal and business useReasonable business-use portion

A Business plan is easier to document as a business cost when it is used only for the business, but the word “Business” in the plan name does not create a special tax deduction. Actual use controls.

Which Microsoft 365 apps generate business deductions

The stronger your business use of the individual apps, the cleaner the deduction. These apps are commonly used in business contexts:

If your Microsoft 365 Outlook is your primary business email address, the subscription is essentially a business tool even on a Personal plan.

Mixed personal and business use

For Personal, Family, or any other Microsoft 365 subscription used both personally and for business, deduct only a reasonable business-use percentage.

You can base the estimate on how the account is actually used — for example, business email, client documents, spreadsheets, meetings, and business file storage compared with personal use.

There is no automatic 80%, 90%, or 100% rule. Keep a short note explaining your estimate.

Where Microsoft 365 goes on Schedule C

For an ordinary business Microsoft 365 subscription, the latest final Schedule C instructions point technology and software subscription tools to Part V, Other Expenses. On the current final form, Line 48 flows to Line 27b.

Final 2026 instructions are not yet available as of August 18, 2026. Confirm the line numbers when filing your 2026 return.

Example: Microsoft 365 business-use deduction

Business-only subscription

  • Annual subscription cost: $240
  • Business use: 100%
  • Deductible: $240

Mixed-use subscription

  • Annual subscription cost: $120
  • Business use: 80%
  • Deductible: $96

Use the amount actually paid on your Microsoft invoices. Choose a plan for the features you need, not for a supposed tax advantage.

What records to keep

Tax filing

TurboTax — Deduct Microsoft 365 on Schedule C Part V

TurboTax guides you through Schedule C software deductions and handles mixed-use allocation for Personal plan subscribers.

IRS sources used for this page

FAQ

Is Microsoft 365 tax deductible?

Yes, to the extent Microsoft 365 is used for business. A business-only subscription can generally be deducted as a business software cost. If a Personal, Family, or Business account has personal use, deduct only the reasonable business-use share.

Is Microsoft 365 Personal deductible if I use it for business?

Yes, the business-use portion can be deductible. Keep a reasonable estimate of how much the subscription is used for business rather than assuming the full cost is deductible because some work is done in Word, Excel, Outlook, or other apps.

Which Microsoft 365 apps generate business deductions?

Business use of Word, Excel, Outlook, Teams, PowerPoint, OneDrive, SharePoint, and other Microsoft 365 services can support the business purpose of the subscription. The deduction applies to the subscription cost, based on overall business use.

Should I switch from Microsoft 365 Personal to Business for better tax treatment?

Not solely for taxes. A Business plan can be easier to document when it is dedicated to business, but the plan name does not create a special deduction. Choose the plan based on business features, then deduct the appropriate business-use portion.

What records should I keep for Microsoft 365 deductions?

Keep Microsoft invoices or receipts, proof of payment, and a short note describing the business use. If the account is mixed-use, keep the business-use percentage and how you estimated it.

Last reviewed: August 18, 2026