How to Compare Two Word Documents in Microsoft Word (A Lawyer’s Guide)

8 minutes learn

Revealed Feb 11, 2026

Why doc comparability issues in authorized follow

Doc comparability issues an excellent deal in authorized work, notably given the big selection of great dangers related to the accuracy and consistency of authorized documentation. For one, amendments to a contract which might be missed in the course of the evaluate course of can considerably alter an settlement and end result within the inadvertent acceptance of unfavorable phrases. Furthermore, the formal means of doc comparability permits attorneys to gather and protect information which may be helpful in addressing future claims associated to doc errors.

Past the authorized dangers, having an environment friendly doc comparability course of is turning into more and more essential as the amount and complexity of contemporary authorized documentation proceed to extend, with many regulation companies now on the lookout for new methods to scale back the time spent on guide doc evaluate, together with via the mixing of rising AI-assisted doc comparability instruments. 

When attorneys use Microsoft Phrase to match paperwork

Microsoft Phrase is at the moment the default doc comparability instrument for a lot of attorneys. That is primarily as a result of, along with Phrase’s easy and intuitive consumer expertise and built-in “examine” characteristic for evaluate and model management, many regulation companies already make the most of the platform to draft and format authorized paperwork, usually making it essentially the most acquainted, handy, and cost-effective possibility for doc comparability.

Leveraging Phrase’s “examine” instrument for doc comparability might be enough and acceptable in sure authorized eventualities, equivalent to monitoring and verifying modifications made by each events in a contractual negotiation or verifying the language contained in a ultimate draft model of a compliance doc earlier than submission. Nevertheless, whereas Microsoft Phrase performs effectively when executing routine authorized evaluations, extra superior and specialised instruments could also be mandatory when evaluating bigger or extra complicated authorized paperwork. 

Easy methods to examine two Phrase paperwork utilizing Microsoft Phrase

Featured abstract: When working in Microsoft Phrase, attorneys can examine two paperwork by clicking the “Overview” tab > “Examine” tab > “Examine paperwork…” tab, earlier than deciding on an unique doc because the baseline and a revised doc for comparability and evaluation.

Step 1: Open the examine instrument in Microsoft Phrase

After opening Microsoft Phrase, click on the “Overview” tab. Then click on the “Examine” tab positioned on the best aspect of the options bar and choose “Examine paperwork…” As soon as the instrument is launched, you’ll be prompted to pick an “unique” and “revised” doc for comparability. 

Remember that fairly than modifying both file, Phrase will create a 3rd comparability doc by default. This is a vital characteristic for preserving proof of unique modifications and sustaining audit trails. 

Step 2: Choose the unique and revised Phrase paperwork 

Choose and add an “Authentic” doc and “Revised” doc for comparability. When evaluating, any textual content that seems within the revised however not the unique can be labeled as “insertions,” whereas textual content showing within the unique however not the revised can be displayed as “deletions.” 

As a result of the unique doc can be handled because the baseline, be sure you have chosen the right doc earlier than you start, as deciding on the flawed baseline could reverse the that means of modifications throughout comparability (i.e., deletions can be displayed as insertions, and vice versa). 

Step 3: Select comparability settings for authorized paperwork

As soon as each paperwork are uploaded, you may customise your comparability settings primarily based on the target of your evaluate. For instance, by disabling the “formatting” setting, Phrase will solely spotlight substantive edits through the “textual content modifications” characteristic. You can even allow or disable the show of feedback and tracked modifications, in addition to allow the “textual content strikes” characteristic to determine all textual content that has been moved from one part of the doc to a different, versus revised or deleted. 

Critically, these default settings might not be fully enough for the environment friendly comparability of notably complicated or voluminous contracts or filings, and in any case attorneys ought to at all times internally doc which comparability settings have been used to make sure consistency throughout evaluate processes.

Step 4: Overview variations between two Phrase paperwork

At this level, you’re prepared to match and evaluate variations between the unique and revised paperwork. You’ll be capable of clearly see all underlined insertions and deleted (or struck-through) textual content, in addition to textual content labeled as “moved to/moved from” when working with the textual content strikes characteristic. 

Whereas Phrase offers the mark-ups primarily based in your comparability settings, it’s as much as the lawyer to manually evaluate and examine the paperwork for any substantive edits to the textual content and relocated phrases and clauses which can have a substantial influence on authorized obligations. 

It’s essential to at all times keep in mind that Phrase does not perceive authorized that means or interpretation. For instance, whereas swapping the phrase “could” for “shall” usually represents a major alteration of a authorized settlement, Phrase shouldn’t be designed to see the distinction past viewing it equally to a primary font or formatting change. Not like purpose-built authorized doc comparability instruments, Phrase treats all textual modifications equally, no matter their authorized significance.

Frequent points attorneys encounter when evaluating paperwork in Phrase

Whereas used incessantly for routine doc evaluate and comparability, there are nonetheless a number of widespread points attorneys face when leveraging Microsoft Phrase’s examine characteristic. 

For instance, substantive edits to textual content can usually be obscured or onerous to trace in paperwork which have undergone important formatting modifications. Additionally, Phrase is commonly unable to precisely determine and appropriately mark revisions in authorized contracts containing visible parts equivalent to tables and numbered lists. 

Extra broadly, Microsoft Phrase will virtually at all times be inadequate when working with extremely complicated or closely revised authorized paperwork. Much more generally manageable paperwork that already include a number of tracked modifications can compound visible noise and make it more durable to evaluate precisely and effectively. 

That is the place Vincent AI modifications the equation.

Finest practices for evaluating authorized paperwork

To higher mitigate the dangers of missed modifications and different evaluate errors, attorneys ought to at all times implement the next greatest practices when evaluating authorized paperwork:

Verify (and re-confirm) the right baseline has been chosen earlier than evaluating paperwork when utilizing Microsoft Phrase.
Keep away from working comparisons earlier than all unique tracked modifications have been resolved.
Concentrate on substantive authorized revisions, not simply formatting.
Prioritize high-risk sections and objects first (i.e., definitions, dates, obligations, and fee phrases). 
All the time use constant file naming and model management instruments.
Alter your strategy to comparability primarily based on the complexity of the paperwork. 
Protect all comparability settings and outputs as a part of the matter report to help defensibility and institutional information. 

Moreover, attorneys ought to contemplate implementing a “cease rule” or in any other case be capable of determine when Phrase’s examine characteristic is inadequate for evaluating two authorized paperwork, equivalent to when coping with a excessive quantity of textual content or paperwork containing a number of complicated revisions from a number of collaborators.

When this turns into a typical concern, the most effective plan of action could also be to put money into a specialised, purpose-built various doc comparability instrument, the price of which is more likely to be far lower than that of a missed change in a consequential authorized contract, submitting, or regulatory submission. 

A clearer solution to evaluate authorized doc modifications utilizing AI

Due to latest breakthroughs in AI-powered authorized expertise, attorneys can now achieve entry to extra superior instruments that supply a clearer, extra correct and environment friendly solution to evaluate and examine authorized paperwork.

Not like Phrase’s solely rule-based “redlining” strategy to doc evaluate, AI-assisted doc comparability instruments have been designed not solely to research greater volumes of complicated authorized textual content but additionally to include authorized that means and context when evaluating two recordsdata. Put merely, fairly than merely flagging modifications, AI-powered options know tips on how to instantly determine and spotlight higher-risk substantive modifications to authorized paperwork. 

One other benefit is that AI-assisted evaluate instruments like Clio Work leverage structured outputs to current the outcomes of comparability in a transparent, simply digestible format. For instance, with Clio Work, attorneys can mechanically generate a authorized doc comparability desk that organizes all modifications primarily based on the kind of info and clearly marks and shows all related citations and missed information for comparability. It is a activity that may in any other case require hours of guide evaluate and group. 

Lastly, along with supporting nearly all different related doc codecs getting used throughout the authorized trade immediately, it’s vital to notice that AI-assisted doc comparability platforms have been rigorously designed to work with and never as a substitute for Microsoft Phrase, enabling seamless integration with already well-established authorized drafting and evaluate processes. 

Remaining ideas on evaluating authorized paperwork in Phrase

Because the tempo of digital transformation rises alongside the amount and complexity of authorized paperwork, conventional guide approaches to doc comparability are more and more being changed by extra structured, auditable workflows enabled by AI-assisted evaluate and comparability instruments. 

However understanding tips on how to examine two paperwork in Microsoft Phrase remains to be related and worthwhile. What’s altering is that attorneys want a greater understanding of when Phrase’s built-in examine characteristic could also be inadequate for his or her wants.

Whatever the answer you select, the underside line is that you just now have a significantly wider vary of choices for mitigating key dangers and enhancing the accuracy and effectivity of authorized doc evaluate and comparability processes.